1576-5962
1576-5962
S1576-59622018000300009
10.5093/jwop2018a23
Spain
00
00
2018
00
00
2018
34
3
213
216
[
2016
32
183-90
]
[
1996
69
25-39
]
[
2006
14
317-35
]
[
2005
18
267-307
]
[
1972
32
759-65
]
[
2016
32
95-101
]
[
2006
91
9-24
]
[
1970
74
167-84
]
[
1971
]
[
2000
13
371-88
]
[
2017
33
175-82
]
[
2007
92
1638-56
]
[
2007
60
683-729
]
[
2000
]
[
2014
]
[
2016
24
209-28
]
[
2017
33
229-38
]
[
2015
88
797-834
]
[
1999
60
197-210
]