1405-3195 1405-3195 S1405-31952007000600653 Mexico Mexico Mexico USA Mexico 00 09 2007 00 09 2007 41 6 653 662

1925 18 265-7 2001 94 1589-93 1972 4 175-88 2004 5-9 January 2003 San Antonio, TX 1422-9 2007 100 921-31 2004 5-9 January 2004 San Antonio, Tx 1693-9 2006 99 164-75 2003 5-9 January 2003 Memphis, TN 1138-49 2005 7-37 1977 22 451-81 1999 4 9-13 2005 174-80 1994 24 1025-35 EPA 2006 1977 70 319-23 2005 98 88-94 1998 67-105 1992 89 701-26 2005 34 105-14 2006 1993 11 194-200 1997 6-10 January 1997 New Orleans, Louisiana 861-3 2007 100 909-15 1999 92 21-32 1990 56 258-66 2007 100 894-902 2005 4-7 January 2005 New Orleans, Louisiana 1368-72 2002 68 1991 84 363-6 2004 261-88 1995 61 2086-92 2001 27 489-501 1992 2005 181-4 SAGARPA 2001 SAGARPA 2005 SAS 2000 1991 57 206-10 1996 229-42 2005 4-7 January 2005 New Orleans, Louisiana 2001 94 752-60 2001 94 752-60 1993 86 989-94 2003 96 1031-8 1989 52 39-47 2005 98 2203-9 2001 94 1547-52