0120-1751
0120-1751
S0120-17512018000100053
10.15446/rce.v41n1.64900
Colombia
00
06
2018
00
06
2018
41
1
53
73
[
2009
]
[
1980
4
9
9
453-61
]
[
1983
1
25
25
64-75
]
[
1992
569-93
]
[
1995
3
82
82
543-52
]
[
1986
2
14
14
145-59
]
[
1960
292
55
55
698-707
]
[
2007
1
1
1
265-83
]
[
2011
]
[
2014
2
17
17
225-40
]
[
2014
2
117
117
145-57
]
[
2013
4
110
110
1321-6
]
[
2010
4
8
8
511-46
]
[
2006
139
]
[
2013
108
502
502
689-700
]
[
2015
3
3
1-15
]
[
2012
30
1
1
159-72
]
[
2011
34
433-50
]
[
2012
35
3
3
331-47
]
[
(201
3)
42
2
2
454-75
]
[
2011
26
1
1
31-54
]