2007-0934 2007-0934 S2007-09342017000100159 10.29312/remexca.v8i1.79 Mexico Mexico 00 02 2017 00 02 2017 8 1 159 170

2005 62 132-45 2014 2 74 74 55-74 1988 1998 3 40-9 2003 32 277-312 1976 1-24 1987 24 95-117 2011 San Luis Potosí, México 8-16 2010 2006 1985 1977 2005 40-1 2012 34 1-26 2005 1982 257-138 1994 6ta 1985 1994 11-3 1949 3 Mendoza, Argentina 1609-17 2006 8 106-21 2007 3 87-98 2009 10 53-62