1990-8644 1990-8644 S1990-86442018000400054 Cuba 00 09 2018 00 09 2018 14 64 54 62

2007 2013 1996 1996 1997 1999 2001 2003 2009 2001 2016 2006 2014 2004 1997 1989 1986 2006 1981 1979 1973 2003 2010 2012 2004 1987