0212-9728
0212-9728
S0212-97282018000200023
10.6018/analesps.34.2.289861
Spain
Spain
00
00
2018
00
00
2018
34
2
398
404
[
2003
33
2
2
93-107
]
[
2006
14
631-46
]
[
2007
5
3
3
233-43
]
[
2010
28
2
2
315-28
]
[
2014
10
2
2
60-71
]
[
2003
39-54
]
[
1992
9
3
3
271-85
]
[
2008
10
2
2
]
[
2006
18
219-39
]
[
2015
24
177-83
]
[
2014
14
1
1
29-38
]
[
2014
48
4
4
287-8
]
[
2006
91-109
]
[
2012
20
2
2
349-64
]
[
2007
21
127-51
]
[
1996
10
322-40
]
[
2007
21
1
1
21-37
]
[
2012
19
1
1
16-20
]
[
2013
3
3
3
583-8
]
[
2016
6
1A
1A
8-11
]
[
2008
8
1
1
185-202
]
[
2009
2
2
2
181-97
]
[
2012
5
2
2
230-40
]
[
2001
]
[
2001
22
460-5
]
[
2003
17
145-55
]
[
2004
9
531-7
]
[
2016
25
1
1
113-20
]
[
2009
13
166-79
]
[
2008
47
463-70
]
[
2015
39
89-99
]
[
2015
31
6
6
2384-91
]
[
2009
15
5
5
355-9
]
[
2014
6
4
4
11-4
]
[
2014
13
1
1
135-43
]
[
1997
19
4
4
396-417
]
[
2001
23
4
4
281-306
]
[
2014
32
1
1
25-32
]
[
2015
15
2
2
21
]
[
2011
14
1
1
421-31
]
[
1990
2
1
1
5-20
]
[
1986
8
1
1
36-50
]
[
2009
43
3
3
204-7
]
[
2016
6
76-87
]