0188-252X 0188-252X S0188-252X2018000200211 10.32870/cys.v0i32.6523 Mexico 00 08 2018 00 08 2018 32 211 237

2000 56-7 1987 12 22 2000 1984 2008 2010 1989 30-1 2008 2011 2009 2014 2006 1989 674 674 31 1997 1982 1994 2014 2000 I-C 2010 2012 1993 1998