2007-0934 2007-0934 S2007-09342018000601269 10.29312/remexca.v9i6.1587 Mexico Mexico Mexico 00 09 2018 00 09 2018 9 6 1269 1281

1984 24 6 6 1011-5 2010 185 4 4 1411-23 1972 64 3 3 351-5 1989 69 1 1 121-32 1987 23 1 1 21-30 1990 35 1 1 41-6 2011 2 3 3 347-57 2007 98 2 2 183-7 2009 119 6 6 1129-42 2005 169 4 4 2241-54 1958 50 10 10 611-5 2012 E1913-21 2007 17-21 2015 205 1 1 255-67 2002 99 9 9 6080-4 1977 1-25 1983 2-6 August 1982 Wooster, USA 75-82 1982 27 1-2 1-2 79-88 1976 4 4 4 299-307 2006 84 1-2 1-2 101-12 1950 248-51 1983 180 180 99 1998 43 4 4 277-82 2001 46 2 2 105-10 2002 36 5 5 569-77 2011 98 9 9 1537-48 2018 13 2 2 2014 17 11 11 1351-64 2008 48 2 2 387-93 1967 159