2448-5691 2448-5691 S2448-56912011000100023 10.22201/ceiich.24485691e.2011.1.50987 Mexico 00 06 2011 00 06 2011 4 1 23 32

[1] 1948 793 [2] 1994 [3] 1989 62 324 [4] 1961 73 153 [5] 1997 78 5 [6] 1998 81 4549 [7] 2001 87 211801 [8] [9] 2006 [10] 2009 95 [11] 2010 108 [12] 2009