0212-9728
0212-9728
S0212-97282018000100003
10.6018/analesps.34.1.289671
Spain
Spain
00
00
2018
00
00
2018
34
1
16
22
[
2013
122
2
2
532
]
[
2013
27
3
3
287
]
[
1992
255
5044
5044
556
]
[
1974
8
47-89
]
[
1997
121
1
1
65
]
[
2010
25
157-73
]
[
1980
]
[
2012
40
6
6
999-1011
]
[
2008
30
7
7
749-59
]
[
2010
67
7
7
632-40
]
[
2002
3
8
8
617-28
]
[
2001
29
6
6
529-40
]
[
2014
44
09
09
1989-2001
]
[
1973
]
[
17
03
03
807-25
]
[
2013
41
6
6
901-17
]
[
1998
]
[
1998
37
2
2
185-93
]
[
2016
7
871
]
[
2009
]
[
2010
51
7
7
838-49
]
[
2008
34
3
3
556
]
[
2010
15
1
1
37-43
]
[
2007
18
7
7
614-21
]
[
2012
32
7
7
605-17
]
[
2010
38
2
2
149-61
]
[
2005
44
4
4
377-84
]
[
2006
28
7
7
1073-94
]
[
2005
27
6
6
735-45
]
[
2003
31
4
4
427-43
]
[
2000
41
1
1
49-100
]
[
2010
43
6
6
553-62
]
[
2010
22
6
6
944-63
]
[
2004
24
3
3
393-408
]
[
2012
40
5
5
699-713
]
[
2008
36
6
6
825-37
]
[
2007
43
5
5
635-50
]
[
2008
115
2
2
249-60
]
[
2006
2
1
1
1
]
[
2005
20
6
6
727-44
]
[
2002
130
1
1
3-28
]
[
2012
33
3
3
858-65
]
[
2015
43
4
4
669-80
]
[
1999
283
5408
5408
1657-61
]
[
2007
48
11
11
1061-70
]
[
2011
36
2
2
181-98
]
[
2014
18
4
4
369-78
]
[
2009
37
4
4
551-64
]
[
2005
]
[
2004
10
3
3
155-61
]
[
2005
a
57
11
11
1336-46
]
[
2012
121
4
4
991-1010
]
[
2005
b
27
1
1
35-78
]