0185-3929 0185-3929 S0185-39292008000200021 Mexico 00 00 2008 00 00 2008 29 114 21 43

1982 1983 2000 1973 1999 1992 7 1 1 169-92 1991 XL 4 4 615-71 1984 39 39 1993 217-66 1983 1999 21 21 223-39 1993 63-111 1994 2001 1973 2002 1992 101-40 2006 205-31 1992 1990 1991 1990 15-38 2005 III 213-45 1992 7 1 1 273-312