0185-1667 0185-1667 S0185-16672000000300035 Mexico 00 09 2000 00 09 2000 60 233 35 59

1989 1999 1977 1984 l 4 4 19-23 1999 1985 1976 1978 I décima 1980 II 1981 III 1978 II 1996 23 3^s90 3^s90 90 132-258 1997 565-8 1985 III