0034-7744
0034-7744
S0034-77442018000401559
10.15517/rbt.v66i4.32895
USA
Costa Rica
Costa Rica
USA
Brazil
00
12
2018
00
12
2018
66
4
1559
1568
[
1999
77
1919-27
]
[
2006
40
36-41
]
[
2014
79
123-31
]
[
1984
42
403-406.
]
[
2000
]
[
2009
25
563-7
]
[
2000
58
11-237
]
[
1995
]
[
1991
22
357-70
]
[
2002
223-35
]
[
2012
]
[
2007
10
146-52
]
[
2010
14
56-65
]
[
2005
8
875-94
]
[
2009
90
479-90
]
[
2010
36
403-12
]
[
2006
167
524-36
]
[
1987
20
271-83
]
[
2013
45
373-9
]
[
2016
41
97-105
]
[
2016
47
62-75
]
[
2009
90
612-20
]
[
2011
76
320-4
]
[
2016
]
[
1988
143192
]
[
2000
250
255-65
]
[
1973
54
1201-19
]
[
2003
34
153-81
]
[
2002
237-50
]
[
2011
284
224-9
]
[
1967
101
377-385.
]
[
1993
253-68
]
[
1986
85-123
]
[
2012
]
[
2005
267
167-78
]
[
2000
252
373-9
]
[
1974
55
809-23
]
[
1994
]
[
1999
153
492-508
]
[
2009
90
926-34
]
[
2013
19
1
1
69-77
]
[
1989
20
297-330
]
[
1988
]
[
R Development Core Team
2017
]
[
1986
210
149-59
]
[
2009
14
32-337
]
[
2010
26
303-11
]
[
1966
47
602-12
]
[
1972
]
[
1980
12
161-8
]
[
1974
185
27-38
]
[
2003
259
269-79
]
[
2004
38
2
2
148-54
]
[
1981
339
1-98
]
[
1989
283-301
]
[
2002
]
[
1997
29
204-13
]