1405-6666 1405-6666 S1405-66662018000401023 Mexico Mexico 00 12 2018 00 12 2018 23 79 1023 1049

1982 2003 50 50 2008 29-40 2011 1997 65-108 1960 1990 2004 1992 1992 1994 13-26 2001 17-20 1984 1998 1994 1 1 2004 1958 2004 1980 1980 2006 8 11-34 2001 7 7 29-33 2011 1994 Xalapa 1996 1994 2007 2008 XIII 36 36 143-71 2011 259-74 2015 17 25 25 17-34 2016 35-49 1997 1982 1992 59 59 9-18 2008 337-78 1992 2008 1998 Boston 1881 1908 1948 1984 1984 2004 1909 UNAM UNAM 1910 UNAM 1956 UNAM 1956 1-7 UNAM 1959 UNAM 1966 UNAM 2007 UNAM 2010 UNAM 2014