2007-2422 2007-2422 S2007-24222016000500167 México 00 10 2016 00 10 2016 7 5 167 195

2010 2011 2013 1999 2 CILA 2012 2006 2012 1973 2009 23 881-97 NIST/Sematech 2006 OMM/UNESCO 2012 1975 2009