0187-893X
0187-893X
S0187-893X2017000400254
10.1016/j.eq.2017.04.001
Brazil
00
00
2017
00
00
2017
28
4
254
261
[
2014
8
8
8
39-45
]
[
2016
8
3
3
716-23
]
[
2008
7
30
30
34-41
]
[
1999
10
43-9
]
[
2001
14
10
10
43-5
]
[
2015
37
2
2
198-202
]
[
2000
23
2
2
273-83
]
[
2015
]
[
2015
]
[
1981
]
[
2013
35
84
]
[
2015
]