0187-7151 0187-7151 S0187-71512004000200059 Mexico 00 00 2004 00 00 2004 67 59 66

1993 76 1989 17 1 1 3-19 1985 520 1886 2 125-44 2000 474 1971 7 3 3 313-20 1999 18 39 1953 8 262-94 1992 3 131-6 1964 1 840 1980 1025