2007-0705 2007-0705 S2007-07052015000300011 Mexico Mexico USA 00 00 2015 00 00 2015 7 15 11 18

1995 26 68-72 1996 21 83-7 1991 31 45-50 2012 4 91-6 2008 20 86-9 1996 60 273-96 NRC 1996 7 2001 79 2615-8 SAS Institute Inc 2007 1997 13 47-54 1991