0185-2760 0185-2760 S0185-27602005000300119 Mexico Mexico 00 09 2005 00 09 2005 34 135 119 125

2000 2003 Gaceta Universitaria 2004 115 115 1999 IX 2003 41 2003 41 2003 12 12 1990 1985 1999 3-4 3-4 2003 2004