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2001 National Research Council 1997 127-60 2003 3 1-18 Conapo 2002 2003 Guadalajara 1980 303 303 130-5 2002 2002 10-3 1993 2001 41 1 1 87-107 2002 3 127-51 2000 3 2003 13-34 1940 41 104 104 1998 24 2 2 381-93 2001 1995 2000 2002 3 208-28 2004 2000 UN 1999 2001 365 365 2002 169-204 National Research Council 1997 National Research Council 1997 38-64 1999 36 4 4 475-96 2002 Florida