1665-3521 1665-3521 S1665-35212016000300093 Mexico 00 09 2016 00 09 2016 29 3 93 97

[1] 2007 332 257 [2] 2013 90 601 [3] 2011 168 765 [4] 2013 301 93 [5] 2013 74 154 [6] 2006 110 6145 [7] 2003 66 3 [8] 2011 115 3592 [9] 1964 136 B864 [10] 1965 140 A1133 [11] 2011 3 [12] 1996 77 3865 [13] 2008 129 024107 [14] 1984 80 227 [15] 1992 82 189 [16] 1994 15 1 [17] 1989 90 2154 [18] 1991 95 58530 [19] National Institute Standards and Technology (NIST)