0120-0283
0120-0283
S0120-02832017000300087
10.18273/revbol.v39n3-2017006
Costa Rica
00
12
2017
00
12
2017
39
3
87
98
[
1965
43
2
2
237-9
]
[
1999
11
13-47
]
[
2012
102
2
2
504-23
]
[
2003
7
2
2
133-50
]
[
2010
4
28-43
]
[
2009
9
905-12
]
[
1993
98
B9
B9
15759-78
]
[
2012
189
3
3
1223-36
]
[
1993
98
B5
B5
8127-42
]
[
1944
34
4
4
185-8
]
[
2000
97
22
22
11880-4
]
[
2005
]
[
1994
73p
]
[
2014
103
7
7
1733-45
]
[
2000
19
3
3
468-92
]
[
2012
127p
]
[
2012
4
1-45
]
[
2001
24
29-56
]
[
2014
50
39-69
]
[
1986
24
59
59
93-104
]
[
2013
106
1
1
90-102
]
[
2010
3
1-42
]
[
1993
91p
]
[
1993
]
[
2000
27
4
4
581-4
]
[
2005
137p
]
[
1972
2
897-910
]
[
2013
77p
]
[
2000
90
4
4
859-69
]
[
2001
72
3
3
373-82
]
[
2005
95
2
2
684-98
]