2448-5691 2448-5691 S2448-56912010000100015 10.22201/ceiich.24485691e.2010.1.52236 Mexico Mexico 00 06 2010 00 06 2010 3 1 15 28

[1] 1970 [2] [3] 1973 [4] 2009 [5] 1969 [6] [7] [8] [9] [10] 1973 22 562 [11] 1985 55 1768 [12] 1968 10 509 [13] 2004 37 [14] 2003 67 235103 [15] 2004 69 113104 [16] 2003 90 [17] 2005 71 [18] 1996 213 191