2215-2504 2215-2504 S2215-25042019000200023 10.18845/rfmk.v16i39.4409 Costa Rica 00 12 2019 00 12 2019 16 39 23 32

1 2016 vol. 53 pp.58-63 2 2015 vol. 35 no. 1 no. 1 pp. 95-119 3 IEA 2018 51 4 2008 vol. 67 pp. 156-81 5 2016 vol. 11 no. 4 no. 4 6 2015 vol. 41 pp. 845-54 7 2015 vol. 43 pp. 926-41 8 2015 vol. 99 pp. 239-49 9 2015 vol. 74 pp. 96-102 10 2015 vol. 30 no. 3 no. 3 pp. 263-8 11 2016 vol. 90 pp. 15-21 12 2016 , vol. 58 pp. 1411-31 13 2016 vol. 83 pp. 63-73 14 2018 vol. 9 no. 7 no. 7 pp. 1163-79 15 2015 vol. 9 pp. 572-9 16 2013 vol. 54 pp. 147-57 17 2017 vol. 13 no. 3 no. 3 pp. 60-71 18 2015 vol. 74 pp. 96-102 19 2011 vol. 33 pp. 217-23 20 2015 vol. 47, no. 2 no. 2 pp. 195-208 21 2015 vol. 2 pp. 49-76 22 2004 vol. 28 pp. 111-26 23 2018 vol. 27 no. 1 no. 1 pp. 003-0016 24 2015 vol. 17 no. 2 no. 2 365-72 25 2008 vol. 4 pp. 237-45 26 2013 vol. 47 pp. 103-12 27 2015 vol. 12 no. 28 no. 28 23-35 28 2016 vol. 6 no. 1 no. 1 pp. 112-24 29 ASTM 2014 30 ASTM 2007 31 ASTM 2004 32 ASTM 2013 33 ASTM 2013 34 2013 vol. 56 pp. 14-21 35 2009 vol. 76 pp. 65-75 36 2001 vol. 127 pp. 1513-23 37 2009 vol. 66 no. 5 no. 5 pp. 1-6 38 1987 vol. 6 no. 1-2 no. 1-2 pp. 137-69 39 2013 vol. 563 pp. 12-21 40 2017 vol. 647 no. 10 no. 10 pp. 36-48