0012-7353 0012-7353 S0012-73532018000400065 10.15446/dyna.v85n207.72281 Colombia Colombia 00 12 2018 00 12 2018 85 207 65 73

[1] 1979 [2] 1963 85 [3] 1967 [4] 1991 [5] 1961 270 [6] 1963 [7] 1957 [8] 1977 5 [9] 1980 [10] 2007 3 3 3 113-24 [11] 2010 4 1 1 51-72 [12] 2015 10 14 14 5815-22 [13] 1970 [14] 2001 [15] 2002 [16] 1965 [17] 1951 503-21 [18] 1969 [19] 1999 [20] 1988 195-221 [21] 1983 [22] 1969 328-34 [23] 1970 [24] 1991 460 [25] 1995 12 171-81