<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822017000200142</article-id>
<article-id pub-id-type="doi">10.18845/tm.v30i2.3209</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Algoritmo simulated annealing modificado para diseño óptimo de armaduras con variables continuas]]></article-title>
<article-title xml:lang="en"><![CDATA[Modified Simulated Annealing Algorithm for optimum design of truss structures with continuous variables]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Millán-Páramo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matoski]]></surname>
<given-names><![CDATA[Adalberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mazer]]></surname>
<given-names><![CDATA[Wellington]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sucre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Tecnológica Federal do Paraná  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Tecnológica Federal do Paraná  ]]></institution>
<addr-line><![CDATA[ Curitiba]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>142</fpage>
<lpage>157</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822017000200142&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822017000200142&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822017000200142&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen [17] En los últimos años, la importancia de los aspectos económicos en el campo de las estructuras ha motivado a muchos investigadores a proponer nuevos métodos para minimizar el peso de las estructuras. En este trabajo, el algoritmo simulated annealing modificado (ASAM), es presentado para resolver la optimización de peso en armaduras con variables continuas. Para evaluar y validar el desempeño de ASAM se abordaron cinco problemas reportados en la literatura especializada. Los resultados de ASAM en comparación con los reportados por otros algoritmos de optimización, muestran que este algoritmo puede generar diseños mejorados y ser utilizado efectivamente en la minimización de peso en armaduras.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract [21] In recent years, the importance of economic considerations in the field of structures has motivated many researchers to propose new methods for minimizing the weight of the structures. In this work, the modified simulated annealing algorithm (MSAA), is presented to solve weight optimization of truss structures with continuous variables. To evaluate and validate the MSAA performance were studied five problems reported in the literature. The results of MSAA compared with results of other optimization algorithms show that this algorithm can generate improved designs and be effectively used in the weight minimization of truss structures.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Algoritmo simulated annealing modificado]]></kwd>
<kwd lng="es"><![CDATA[diseño óptimo]]></kwd>
<kwd lng="es"><![CDATA[armaduras]]></kwd>
<kwd lng="es"><![CDATA[variables continuas]]></kwd>
<kwd lng="en"><![CDATA[Modified simulated annealing algorithm]]></kwd>
<kwd lng="en"><![CDATA[optimum design]]></kwd>
<kwd lng="en"><![CDATA[truss structure]]></kwd>
<kwd lng="en"><![CDATA[continuous variables]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sarma]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Adeli]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fuzzy genetic algorithm for optimization of steel structures]]></article-title>
<source><![CDATA[J. Struct. Eng. ASCE]]></source>
<year>2000</year>
<volume>126</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>596-604</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kalatjari]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic algorithm for discrete sizing optimal design of trusses using the force method]]></article-title>
<source><![CDATA[Int. J. Numer. Methods Eng]]></source>
<year>2002</year>
<volume>55</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>55-72</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kalatjari]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Topology optimization of trusses using genetic algorithm, force method, and graph theory]]></article-title>
<source><![CDATA[Int. J. Numer. Methods Eng]]></source>
<year>2003</year>
<volume>58</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>771-91</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rahami]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis, design and optimization of structures using force method and genetic algorithm]]></article-title>
<source><![CDATA[Int. J. Numer. Methods Eng]]></source>
<year>2006</year>
<volume>65</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1570-84</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Togan]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Daloglu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimization of 3d trusses with adaptive approach in genetic algorithms]]></article-title>
<source><![CDATA[Eng. Struct.]]></source>
<year>2006</year>
<volume>28</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1019-27</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dedea]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Weight minimization of trusses with genetic algorithm]]></article-title>
<source><![CDATA[Applied Soft Computing]]></source>
<year>2011</year>
<volume>11</volume>
<page-range>2565-75</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camp]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bichon]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design of space trusses using ant colony optimization]]></article-title>
<source><![CDATA[J. Struct. Eng.]]></source>
<year>2004</year>
<volume>130</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>741-51</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Serra]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Venini]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On some applications of ant colony optimization metaheuristic to plane truss optimization]]></article-title>
<source><![CDATA[Struct. Multidisc. Optim.]]></source>
<year>2006</year>
<volume>32</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>499-506</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ant colony optimization for design of space trusses]]></article-title>
<source><![CDATA[Int. J. Space. Struct.]]></source>
<year>2008</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>167-81</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Talatahari]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A particle swarm ant colony optimization for truss structures with discrete variable]]></article-title>
<source><![CDATA[J. Construct. Steel. Res.]]></source>
<year>2009</year>
<volume>65</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1558-68</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luh]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimal design of truss structures using ant algorithm]]></article-title>
<source><![CDATA[Struct. Multidisc. Optim.]]></source>
<year>2008</year>
<volume>36</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>365-79</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Behdinan]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Particle swarm approach for structural design optimization]]></article-title>
<source><![CDATA[Computers and Structures]]></source>
<year>2007</year>
<volume>85</volume>
<page-range>1579-88</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A heuristic particle swarm optimizer for optimization of pin connected structures]]></article-title>
<source><![CDATA[Computers &amp; Structures]]></source>
<year>2007</year>
<volume>85</volume>
<numero>7-8</numero>
<issue>7-8</issue>
<page-range>340-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luh]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimal design of truss-structures using particle swarm optimization]]></article-title>
<source><![CDATA[Computers &amp; Structures]]></source>
<year>2011</year>
<volume>89</volume>
<numero>23-24</numero>
<issue>23-24</issue>
<page-range>2221-32</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schutte]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Groenwold]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sizing design of truss structures using particle swarms]]></article-title>
<source><![CDATA[Structural and Multidisciplinary Optimization]]></source>
<year>2003</year>
<volume>25</volume>
<page-range>261-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Geem]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new structural optimization method based on the harmony search algorithm]]></article-title>
<source><![CDATA[Comput Struct]]></source>
<year>2004</year>
<volume>82</volume>
<page-range>781-98</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saka]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimum geometry design of geodesic domes using harmony search algorithm]]></article-title>
<source><![CDATA[Adv. Struct. Eng.]]></source>
<year>2007</year>
<volume>10</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>595-606</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Degertekin]]></surname>
<given-names><![CDATA[S. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimum design of steel frames using harmony search algorithm]]></article-title>
<source><![CDATA[Struct. Multidiscip Optimiz.]]></source>
<year>2008</year>
<volume>36</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>393-401</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>[19]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Degertekin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improved harmony search algorithms for sizing optimization of truss structures]]></article-title>
<source><![CDATA[Computers and Structures]]></source>
<year>2012</year>
<volume>92-93</volume>
<page-range>229-41</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>[20]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Millan]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Propuesta y validación de un algoritmo Simulated annealing modificado para la solución de problemas de optimización]]></article-title>
<source><![CDATA[Rev. int. métodos numér. cálc. diseño ing.]]></source>
<year>2014</year>
<volume>30</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>264-70</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>[21]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kirkpatrick]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimization by simulated annealing]]></article-title>
<source><![CDATA[Science]]></source>
<year>1983</year>
<volume>220</volume>
<numero>4598</numero>
<issue>4598</issue>
<page-range>671-80</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>[22]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sonmez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Artificial Bee Colony algorithm for optimization of truss structures]]></article-title>
<source><![CDATA[Applied Soft Computing]]></source>
<year>2011</year>
<volume>11</volume>
<page-range>2406-18</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>[23]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Degertekin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hayalioglu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sizing truss structures using teaching-learning-based optimization]]></article-title>
<source><![CDATA[Computers and Structures]]></source>
<year>2013</year>
<volume>119</volume>
<page-range>177-88</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>[24]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An improved magnetic charged system search for optimization of truss structures with continuous and discrete variables]]></article-title>
<source><![CDATA[Applied Soft Computing]]></source>
<year>2015</year>
<volume>28</volume>
<page-range>400-10</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>[25]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baghlani]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Makiabadi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Weight Optimization of Truss Structures by a New Feasible Boundary Search Technique Hybridized with Firefly Algorithm]]></article-title>
<source><![CDATA[KSCE Journal of Civil Engineering]]></source>
<year>2014</year>
<volume>18</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1105-18</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>[26]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Imai]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmit]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Configuration optimization of trusses]]></article-title>
<source><![CDATA[ASCE J. Struct. Div]]></source>
<year>1991</year>
<volume>107</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>745-56</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>[27]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camp]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design of space trusses using big bang-big crunch optimization]]></article-title>
<source><![CDATA[J. Struct. Eng.]]></source>
<year>2007</year>
<volume>133</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>999-1008</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>[28]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camp]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Farshchin]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design of space trusses using modified teaching-learning based optimization]]></article-title>
<source><![CDATA[Engineering Structures]]></source>
<year>2014</year>
<volume>62-63</volume>
<page-range>87-97</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>[29]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lamberti]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An efficient simulated annealing algorithm for design optimization of truss structures]]></article-title>
<source><![CDATA[Computers and Structures]]></source>
<year>2008</year>
<volume>86</volume>
<numero>19-20</numero>
<issue>19-20</issue>
<page-range>1936-53</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>[30]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaveh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Talatahari]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Size optimization of space trusses using big bang-big crunch algorithm]]></article-title>
<source><![CDATA[Comput. Struct.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>17-18</numero>
<issue>17-18</issue>
<page-range>1129-40</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>[31]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Erbatur]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimal design of planar and space structures with genetic algorithms]]></article-title>
<source><![CDATA[Comput Struct]]></source>
<year>2000</year>
<volume>75</volume>
<page-range>209-24</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
