1982-9949
1982-9949
S1982-99492017000200065
10.17058/rea.v25i2.9884
España
USA
00
05
2017
00
05
2017
25
2
65
83
[
18
119-46
]
[
24
24
9757
]
[
76
]
[
53
1
1
1-7
]
[
30
2
2
5-26
]
[
62
1
1
63-89
]
[
51
517
517
504-04
]
[
1
9
9
1-48
]
[
]
[
16
16
139-50
]
[
2
18
18
116-29
]
[
24
30-40
]
[
33
33
213-43
]
[
12
2
2
]
[
359
24-44
]
[
6
6
79-84
]
[
3
8
8
97-119
]
[
14
14
30-9
]
[
10
19
19
107-29
]