1607-050X 1607-050X S1607-050X2020000300206 10.29340/64.2344 México 00 12 2020 00 12 2020 64 206 210 2000 2003 2008 2010 1989 9 1 1 25-31 2015 1980 1987 1993 1993 1997 2002 2015 2003