1405-3195 1405-3195 S1405-31952007000100013 Mexico Mexico Mexico 00 02 2007 00 02 2007 41 1 13 21

2002 66 1 1 67-74 2000 1940 53 81-9 1984 870 1997 15 803-4 1999 20 1171-6 2000 233-59 1994 58 4 4 698-711 1898 12 23-6 2000 22-3 2004 1994 90-1 1999 401