1390-9274
1390-9274
S1390-92742019000200009
10.18537/est.v008.n016.a01
Spain
Spain
00
12
2019
00
12
2019
8
16
9
30
[
1968
35
54-6
]
[
2004
]
[
2008
75
80-9
]
[
1989
6-10
]
[
1999
]
[
2013
1
65-93
]
[
1992
]
[
2006
]
[
1981
]
[
1968
35
61-2
]
[
2014
]
[
1966
27-43
]
[
1968
65
270-1
]
[
1968
35
57-61
]
[
1970
4
]
[
1998
]
[
2011
]