1659-1321 1659-1321 S1659-13212018000200263 10.15517/ma.v29i2.30424 México México México México México México 00 08 2018 00 08 2018 29 2 263 274

2001 7 119-30 1973 2014 8 1-6 2000 84 600-11 1998 4 1992 2001 85 657-60 2010 20 208 208 28-37 2003 93 219-28 1992 36 2 2 101-4 2004 1997 48 4 4 217-24 FAO 2016 1995 79 787-91 2003 21 228-32 2001 19 90-3 2005 17 93-8 1977 67 533-6 2011 27 2095-102 2009 99 548-56 2009 93 1028-36 2014 141 679-88 1997 2 1 1 45-53 2000 281-5 1994 88-92 2009 2008 26 21-6 SAS Institute Inc 2012 3 2015 38 427-34 2002 10 84-7 1993 75 687-706 2008 57 562-72 1986 66 805-9 1996 102 441-9