2448-5691 2448-5691 S2448-56912012000200077 10.22201/ceiich.24485691e.2012.9.45237 Mexico 00 12 2012 00 12 2012 5 9 77 80

[1] 2006 103 10186 [2] 2011 23 2262-9 [3] 2010 26 14636-41 [4] 2013 165 63-9