0120-419X 0120-419X S0120-419X2018000100059 10.18273/revint.v36n1-2018005 Colombia 00 06 2018 00 06 2018 36 1 59 65

[1] 2006 [2] 1996 788 9-12 [3] 1947 62 499-508 [4] 1933 [5] 1979 [6] 1985 18 3 3 377-84 [7] 1999 [8] 1966 26 133-6 [9] 2015 209 1 1 1-13 [10] 1971 1 [11] 1937 41 375-481