0034-7744
0034-7744
S0034-77442018000200754
10.15517/rbt.v66i2.33406
Colombia
Colombia
00
06
2018
00
06
2018
66
2
754
764
[
2006
103
3
3
338-44
]
[
2013
72
35-45
]
[
2002
76
3
3
350-60
]
[
2010
186
4
4
786-93
]
[
2007
78
5
5
345-52
]
[
2004
3
10
10
534-40
]
[
2001
161
5
5
839-51
]
[
2016
]
[
2014
47
1
1
37
]
[
2005
26
1
1
33-9
]
[
1967
13
49
49
5-102.
]
[
1981
49
241-60
]
[
1991
18
69
69
127-9
]
[
2005
106
2-3
2-3
135-46
]
[
2008
34
1-2
1-2
67-78.
]
[
1996
62
3
3
232-235.
]
[
2010
122
3
3
471-4
]
[
2012
77
89-98
]
[
2016
126
1
1
1-18
]
[
2000
55
6
6
481-504
]
[
2015
4
1
1
287-305
]
[
2006
8
2
2
42-7
]
[
2011
5
March
March
317-21
]
[
2009
8
January
January
9-22
]
[
2008
14
6
6
1294-304
]
[
2013
1
6
6
13-4
]
[
2016
21
10
10
1374
]
[
2000
97
4
4
1903-7
]
[
2009
50
4
4
303-9
]
[
2007
101
3
3
1211-5
]
[
2016
61
2
2
207-16
]
[
2015
87
9-10
9-10
961-70
]
[
2016
92
1
1
150-7
]
[
2016
92
5
5
742-52
]
[
2016
21
8
8
1055
]
[
2014
201
3
3
733-50
]
[
2015
9
8
8
435-41
]
[
R Core Team
2013
]
[
2008
3
9
]
[
2010
11
4
4
672-6
]
[
2016
50
5
5
338-44
]
[
2010
98
2
2
152-8
]