1405-9436 1405-9436 S1405-94362006000200151 Mexico 00 00 2006 00 00 2006 3 24 151 174

1997 1999 7 19 19 1995 1996 1990 20 20 1989 1989 290 290 2000 1995 2002 2003 31 31 2002 XXXI 122 122 2001 8 2 2 2003 1989 1999 7 19 19 1989 1997 1997