0185-2620 0185-2620 S0185-26202005000200111 Mexico 00 12 2005 00 12 2005 30 111 144

1991 1982 109 109 1990 1988 1982 1999 119-20 2004 2002 270-80 1981 1948 VII 1963 65-78 1991 2001 319-24 1999 2000 2003 1993 36-61 2000 117-39 1998 1993