0187-7151 0187-7151 S0187-71512004000200001 México 00 00 2004 00 00 2004 67 1 41

1986 143 1996 3 18-81 2003 16 113-23 2000 474 1991 61 1 1 45-63 1992 63 2 2 213-9 1996 67 2 2 385-417 1999 143 1993 1 6 6 449-59 2001 72 1 1 119-22 1999 70 2 2 159-60