0187-893X
0187-893X
S0187-893X2015000400281
10.1016/j.eq.2015.05.010
AR
AR
00
00
2015
00
00
2015
26
4
281
287
[
2009
15
1
1
41-53
]
[
2014
]
[
2009
86
8
8
953-4
]
[
1975
3
]
[
1940
17
11
11
520-1
]
[
2012
]
[
1996
73
9
9
849-50
]
[
1979
56
2
2
100-3
]
[
1993
70
10
10
850-1
]
[
1966
43
11
11
601-2
]