0212-9728
0212-9728
S0212-97282018000300015
10.6018/analesps.34.3.315201
Spain
00
12
2018
00
12
2018
34
3
536
544
[
2001
11
401-23
]
[
2016
10
300-4
]
[
2017
1
11
11
]
[
2007
]
[
2010
71
539-43
]
[
2000
62
175-86
]
[
2008
15
294-303
]
[
1991
11
56-95
]
[
2014
138
185-92
]
[
2016
63
89-92
]
[
2018
30
59-65
]
[
2017
64
78-81
]
[
2001
72
1832-43
]
[
1993
113
487-96
]
[
1997
8
161-75
]
[
2014
23
567-80
]
[
2006
42
929-36
]
[
2006
37
262-72
]
[
2009
41
1149-60
]
[
2017
33
1695-2294
]
[
2016
32
199-205
]
[
2015
31
1000-7
]
[
2015
27
1-32
]
[
2015
20
117-38
]
[
2011
23
237-48
]
[
2009
44
173
173
101-31
]
[
2010
33
365-84
]
[
1999
]
[
2015
17-31
]
[
2013
25
549-55
]
[
2006
18
551-6
]
[
2011
14
648-58
]
[
2008
20
933-8
]
[
2005
41
625
]
[
2012
40
1004-21
]
[
1995
5
105-19
]
[
2014
75
222-7
]
[
2017
6
37-52
]
[
2013
108
487-96
]
[
2002
97
517-31
]
[
1978
7
13-40
]
[
2000
36
366-80
]
[
1991
62
1049-65
]
[
2007
35
115-24
]
[
1983
4
1-101
]
[
2007
10
458-67
]
[
2007
10
338-48
]
[
2008
43
169
169
13-29
]
[
2017
8
865
865
1-10
]
[
2013
25
235-42
]
[
2007
100
731-45
]
[
2016
25
111-7
]
[
2016
51
1846-55
]
[
2008
33
122-33
]
[
2012
21
263-9
]
[
1987
13
413-33
]
[
1988
81-93
]
[
1999
11
431-6
]
[
1995
26
265-80
]
[
2013
18
395-416
]
[
1989
137-86
]
[
2003
34
643-9
]
[
1978
8
7-8
]
[
2014
50
1564-8
]
[
2000
71
1072-85
]
[
2001
11
1-19
]
[
2004
1021
51-8
]
[
2005
9
69-74
]
[
2007
16
55-9
]
[
2001
52
83-110
]
[
1994
65
754-70
]
[
2004
74
559-70
]
[
2004
38
285-93
]
[
2017
33
225-34
]
[
2017
3
315-26
]
[
2017
180
272-8
]
[
1993
83
185-9
]
[
2015
20
305-20
]
[
1998
7
181-9
]
[
2004
45
1454-67
]
[
2015
56
273-82
]