0185-3325 0185-3325 S0185-33252006000100044 Mexico Mexico Mexico Mexico 00 02 2006 00 02 2006 29 1 44 50

1 1994 35 457-63 2 1997 41 184-90 3 1998 13 107-10 4 1990 100 165-7 5 1989 25 4 4 375-81 6 1988 3 343-7 7 1995 31 64-7 8 1981 38 1160-80 9 1993 16 6-18 10 1996 3 2 2 53-70 11 1994 32 27-35 12 1998 43 327-34 13 1991 544 56-64 14 1996 39 15 2004 28 3 3 435-51 16 1994 36 292-9 17 1993 1 20-3 18 1964 3 623-33 19 2001 29 3 3 186-94 20 1996 3 4 4 142-51 21 2003 34 422-7 22 2004 56 7 7 497-502 23 1988 44 127-30 24 1981 37 267-71 25 1981 29 211-8 26 1993 110 235-9 27 1998 44 11 11 1090-8 28 1992 7 81-5 29 1994 35 295-308 30 1990 23 113-7 31 2001 158 1 1 78-85 32 1992 106 311-4 33 1991 15 49-61 34 1994 40 2 2 288-95 35 1998 1 ^s8 ^s8 8 5-12 36 1995 152 850-5 37 1981 38 1315-7 38 1999 51 533-91 39 1998 38 84-9 40 1999 52 225-33 41 1999 14 451-7 42 1967 113 1.407-11 43 1995 37 442-7 44 1972 1 153-98 45 1998 78 163-72 46 2001 22 476-81 47 1978 27 257-61 48 1996 14 47-53 49 1979 65 141-7 50 1984 7 59-65 51 1996 21 5 5 321-4 52 2001 21 53-8