2448-5691 2448-5691 S2448-56912011000100067 10.22201/ceiich.24485691e.2011.1.50990 Mexico 00 06 2011 00 06 2011 4 1 67 73

2000 1993 65/66 240 1993 130 108 1997 87 239 2008 1996 1990 90 33-72 2008 2009 1 2 2 37 1997 99 7189 1997 310 161