0257-4314 0257-4314 S0257-43142020000200020 México 00 08 2020 00 08 2020 39 2

2000 1988 2012 2009 1999 1970 2010 64 91-9 2000 1998 3-21 1985 1989 2003 2014 2008 2003 2000 201-46 2007 2010