0034-7744
0034-7744
S0034-77442020000600068
10.15517/rbt.v68is2.44339
Costa Rica
Costa Rica
00
09
2020
00
09
2020
68
68
78
[
2011
74
5
5
1195-202
]
[
2006
48
1
1
29-34
]
[
2010
23
467-78
]
[
2006
367
418-32
]
[
2012
23-44
]
[
1996
13
2
2
71-5
]
[
2008
]
[
2007
198
1
1
409-17
]
[
2004
13
579-84
]
[
1986
133
237-58
]
[
1994
30
25-47
]
[
2008
2
122-8
]
[
2010
58
^s4
^s4
4
63-93
]
[
2003
48
48
48
35-46
]
[
2001
11
2
2
489-505
]
[
2018
4
1
1
9
]
[
2006
48
29-34
]
[
2010
641
1
1
115-31
]
[
1998
12
151-66
]
[
1969
14
3
3
465-71
]
[
2019
]
[
2006
4
3
3
77-81
]
[
2015
28
3
3
69-77
]
[
1997
353
107-19
]
[
1979
9
4
4
381-92
]
[
2010
641
1
1
85-95
]
[
2016
35
4
4
1321-9
]
[
2004
48
919-26
]
[
2014
73
109-14
]
[
1996
40
143-56
]
[
2003
18
1
1
1-11
]
[
2011
18
1-11
]
[
2003
55-61
]
[
2014
]
[
R Core Team
2017
]
[
2010
58
63-93
]
[
2014
62
155-67
]
[
1998
]
[
2006
4
77-81
]
[
2008
3
2
2
135-41
]
[
2010
58
^s4
^s4
4
63-93
]
[
2009
57
1
1
275-84
]
[
1980
37
130-7
]
[
2008
595
1
1
489-519
]
[
2008
]
[
1999
101
43-105
]