1409-4703 1409-4703 S1409-47032018000200309 10.15517/aie.v18i2.33170 Spain Spain Costa Rica 00 08 2018 00 08 2018 18 2 309 352

2004 1 1 1 3-16 1998 35 8 8 845-57 1995 32 7 7 735-48 2015 2009 31 8 8 2459-83 2002 25-35 2007 2014 2 515-99 2014 2 747-58 2011 103 1 1 206-22 2015 12 1 1 22-37 2013 2007 58 543-64 2002 2 2 2 1-17 2007 44 8 8 1088-107 2010 5a 1991 75 2 2 159-67 2007 75-102 2007 22 3 3 351-69 2012 1 335-59 2016 2014 32 3 3 11-36 Ministerio de Ciencia y Tecnología 2011 2010 2008 7 1 1 178-98 2004 22 3 3 425440 2013 24 73-82 2012 58 167-91 2013 2016 279-95 2016 35 1 1 13-30 2007 2016 27 3 3 1351-68 2013 2015 33 3 3 59-76 1994 211-34 2008 93 892-914 2013 2018 2010 2012 2007 4 2 2 247-71 2009 50 1-15 2009 6 2 2 213-31 2015 12 2 2 264-77 2016 21 1 1 25-44 2004 88 3 3 301-24