0034-7744
0034-7744
S0034-77442015000400915
CO
00
12
2015
00
12
2015
63
4
915
926
[
2008
401-547
]
[
2001
23
74
74
25-31
]
[
2009
57
84-194
]
[
2004
26
2
2
359-80
]
[
2012
31
5
5
391-400
]
[
1987
74
2
2
183-204
]
[
2012
441
169-75
]
[
1966
69
427-49
]
[
2007
6
3
3
117-36
]
[
2001
55
73-106
]
[
1987
47
2
2
205-33
]
[
2004
]
[
1967
]
[
2005
178
89-109
]
[
IDEAM
2014
]
[
2006
172
679-95
]
[
2012
34
1
1
25-32
]
[
1990
93
1
1
39-43
]
[
1999
]
[
2002
]
[
2014
62
2
2
257-72
]
[
1983
15
68-70
]
[
2011
]
[
2008
17
1319-51
]
[
2012
13
1
1
3-17
]
[
2010
113
313-21
]
[
2011
59
4
4
843-56
]
[
Statsoft
2005
]
[
1994
112
15-28
]