0212-9728
0212-9728
S0212-97282018000200019
10.6018/analesps.34.2.286191
UK
Spain
00
00
2018
00
00
2018
34
2
367
376
[
1985
15
315-32
]
[
1946
10
501-17
]
[
1993
36
725-33
]
[
1997
]
[
2009
9
123-7
]
[
2005
13
574-93
]
[
2007
24
71-5
]
[
2009
20
707-13
]
[
2005
19
51-66
]
[
2006
33
26-36
]
[
2012
65
1
1
1-38
]
[
2009
47
2305-13
]
[
1994
22
326-43
]
[
2000
107
261-88
]
[
2013
13
867-80
]
[
2008
32
288-95
]
[
2005
22
205-12
]
[
2012
2
3
3
]
[
2012
6
255-61
]
[
2010
10
563-72
]
[
1986
50
992-1003
]
[
1998
75
318-31
]
[
1999
302-29
]
[
1998
2
3
3
300-19
]
[
2000
14
4
4
577-606
]
[
1988
43
349-58
]
[
2004
36
267-76
]
[
1994
17
289-303
]
[
2007
38
297-305
]
[
2010
30
3
3
349-62
]
[
2014
41
4
4
409-12
]
[
2002
13
1
1
57-65
]
[
2004
72
1301-34
]
[
2001
15
565-79
]
[
2004
95
198-207
]
[
2004
]
[
2009
4
461-70
]
[
2010
84
437-50
]
[
2013
49
444-8
]
[
1991
46
819-34
]
[
1964
69
195-205
]
[
2002
82
167-79
]
[
2006
57
535-6
]
[
2005
9
111-31
]
[
2006
90
692-708
]
[
1997
72
288-304
]
[
2013
27
217-29
]
[
2002
9
146-50
]
[
2010
37
143-38
]
[
1999
106
3-19
]
[
1983
15
467-82
]
[
2005
9
242-9
]
[
2001
108
483-522
]
[
2008
13
583-602
]
[
1990
1
33-60
]
[
1988
56
239-45
]
[
1993
31
539-48
]
[
2004
21
5-12
]
[
1995
35-7
]
[
2008
]
[
1991
110
67-85
]
[
2007
5
63
63
]
[
2003
27
349-64
]
[
2003
14
391-412
]
[
1991
48
4
4
425-54
]
[
1997
11
399-413
]
[
2008
134
163-206
]
[
2008
3
87-99
]
[
1988
54
6
6
1063-70
]
[
1987
53
5-13
]
[
1998
7
6
6
177-88
]
[
2005
88
5-21
]
[
2008
3
370-86
]
[
2005
31
1
1
121-35
]
[
2001
52
685-716
]