1665-3521 1665-3521 S1665-35212005000300017 Mexico Mexico México 00 00 2005 00 00 2005 18 3 17 21

[1] 2005 125 729 [2] 2004 724 297 [3] 1993 56 235 [4] 1989 40 9606 [5] 1993 32 2561 [6] 2001 6ta [7] 2003 49 353 [8] 1991 118 379 [9] 1995 72 273 [10] 1991 95 766 [11] 2000 11 1522 [12] 2003 74 648 [13] 1997 36 363 [14] 1991 26