2448-5691 2448-5691 S2448-56912013000200076 10.22201/ceiich.24485691e.2013.11.50006 Mexico Mexico 00 12 2013 00 12 2013 6 11 76 84

[1] 2007 8 71-5 [2] 2009 20 190-4 [3] [4] [5] 2009 20 190-4 [6] 1993 19 411-52 [7] 1996 88 267-73 [8] 2009 64 2510-21 [9] 2005 294 2 2 e37-41