2448-718X 2448-718X S2448-718X2011000400869 México México 00 12 2011 00 12 2011 78 312 869 911

2009 1998 13 1 1 3-34 1988 35 355-69 2009 2010 1973 81 813-46 1974 82 511-26 2005 36 267-88 1974 3 653-65 1992 60 889-917 1984 1985 1997 6 229-51 1999 3A 1993 11 1994 64 355-73 1990 57 531-53 1991 48 57-81 2004 2000 31 19-43 1988 59 925-51 1992 100 437-67 2000 108 688-727 1994 2002 37 163-91 2008 6 2000 18 503-45 1985 1978 52 541-61 1978 46 931-60 2007 1998 34 263-78 1994 9 225-68 1994 84 132-7 1976 5 525-45 1980 21 31-44 1981 22 333-47 1974 1981 1982 2006 1956 70 1-22 1981 1981 30 129-54 2003 70 147-65 1996 104 1010-46 1997 12 157-82 1992 41 89-102 1985 67 134-9