1405-2768 1405-2768 S1405-27682005000200031 Mexico México México 00 00 2005 00 00 2005 20 31 45

1994 23 1113-7 1992 1992 98 1222-7 2002 22 35-41 2002 14 219-24 2002 4 169-86 2003 Grecia 2004 6 1-16 2004 55 1169-78 1985 64 418-23 2000 1992 35 277-81 I.M.P. & UAM-I. 1997 2000 47 1-26 1998 42 245-50 2001 20 63-8 2001 3 401-14 1989 1999 17 679-87 2002 117 329-35 1995 29 319-23 1998 27 220-4 1995 33 43-8 1934 9 583-600