0120-2804 0120-2804 S0120-28042020000300013 10.15446/rcq.v49n3.871519 Mexico Mexico 00 12 2020 00 12 2020 49 3 13 18

[1] 1997 21 21 397-404 [2] 1995 270 229-35 [3] 2009 9 2273-85 [4] 2010 12 2436-49 [5] 2005 [6] 2019 19 1 1 1-12 [7] 1946 162 65-8 [8] 1987 98 33-140 [9] 1990 56 1 1 66-9 [10] 1983 116 317-22 [11] 1948 108 2811 2811 533 [12] 2010 31-2 [13] 1977 20 333-7 [14] 2017 198-200 [15] 1946 68 2510-3 [16] 1955 77 8 8 2332-3 [17] 1990 20 17 17 2607-15 [18] 2003 33 21 21 3727-32 [19] 2013 54 17 17 2151-5 [20] 1997 53 46 46 15813-26 [21] 2004 2 321-5 [22] 1974 52 18 18 3257-8 [23] 1990 82 13 13 1107-12 [24] 2008 55 616-8 [25] 2012 56 1363-88 [26] 2013 66 104-8 [27] 2017 17 10 10 1157-76