2007-0934 2007-0934 S2007-09342018000804107 10.29312/remexca.v0i20.982 Mexico México Mexico Mexico 00 05 2018 00 05 2018 9 spe20 4107 4115

2010 1 40-5 2009 149 443-52 2009 41 2243-9 1988 49 249-62 CONAGUA 2010 323 Easson and Fearnehough 2000 55 221-31 El Siglo de Torreón 2013 80 2000 92 436-44 1999 63 79-86 1973 217 2005 39 431-9 2002 1 15-23 2013 4 575-83 2012 32 501-29 2004 102 147-66 2007 25 163-8 2012 46 267-78 2003 135 1982 107 373-6 2007 33 145-51 1988 573 2000 Irapuato, Guanajuato, México 148 2006 1ra 240 2007 100 257-71 2003 95 1465-74 2005 45 2246-57 2011 112 92-7 2011 107 148-62