1688-7468 1688-7468 S1688-74682017000100137 10.22235/pe.v10i1.1362 Spain 00 06 2017 00 06 2017 10 1 137 150

2011 5 8 8 3168-78 2010 Montreal, Canadá 2012 2010 6 3 3 351-69 2009 10 2-3 2-3 159-71 2011 New Orleans, Estados Unidos 2001 2001 4 3 3 312-21 2011 2013 31 3 3 169-87 2004 26 1 1 65-87 2004 12 56 56 1-20 2008 Toronto, Canadá 2011 9 1 1 15-26 2013 1 1 1 2-31 1999 5 2 2 177-229 2013 8 3 3 237-48 2001 10 10-5 1995 2001 46 18-20 2013 2 2 2 18-31 2011 61 4 4 501-12 2006 53 6 6 691-701 2009 5 3 3 267-79 2010 6 4 4 527-41