0185-3929 0185-3929 S0185-39292008000300179 Mexico 00 00 2008 00 00 2008 29 115 179 212

1917 -1 91 1919 1922 1923 1925 -1 92 1989 1992 109-35 2001 5 5 9-53 2005 1999 6 2001 1997 53 4 4 551-77 2004 91-119 1989 2002 2002 2004 45 1979 Segunda 1989 2001 8 1992 2005 239-76 1986 2003 2002 2 2 1953 1977 2006 1994 1995 2004 1997 1992 1998 1999 2004 2001 7-29 2007 2005 101 101 261-300 1992 2005