1405-888X 1405-888X S1405-888X2008000200073 Mexico Mexico 00 00 2008 00 00 2008 11 2 73 80

1 1977 16 578-80 2 2001 40 2581-90 3 2008 33 732-58 4 2006 194 69-94 5 1998 31 4376-8 6 1999 121 71-8 7 1999 101 738-41 8 1966 241 1763-8 9 1966 241 1769-77 10 2008 72 485-90 11 2003 22 3-11 12 2003 16 817-21 13 2005 18 771-9 14 1980 10 537-50 15 1990 92 55-67 16 2005 39 8264-72 17 2001 20 826-32 18 1995 30 2397-414 19 1993 60 169-70 20 1992 48 91-7 21 1994 27 3625-31 22 1995 117 8517-23 23 1995 117 10055-62 24 1997 30 4024-9 25 2001 76 18-24