0370-3908 0370-3908 S0370-39082017000200192 10.18257/raccefyn.410 Colombia Colombia 00 03 2017 00 03 2017 41 159 192 199

1993 2008 595 1 1 139-47 2000 177 1 1 159-68 1997 5 1 1 113-42 1851 3 2 2 183-8 1823 1 353-69 2006 148 343-494 1973 28 1-16 2011 Haas 1969 88 1-663 1964 83-126 1998 2 1982 1 2 2 165-72 2009 2001 2nd 331-429 1988 6 2 2 179-88 R Development Core Team 2011 1998 2008 Segunda 2006 5 3 3 701-11 2008 1 2005 24 2 2 357-68 1978 184 4 4 429-48 1984 99 405-22