0185-1667 0185-1667 S0185-16672000000200067 México 00 06 2000 00 06 2000 60 232 67 90

1998 1980 70 70 291-9 I 1964 31 45 45 38 1936 1963 1958 28 28 139-91 1958 1992 107 107 407-37 1997 1966 74 74 425-50 1956 70 70 65-94 1956 32 32 334-61 1991