0212-9728
0212-9728
S0212-97282018000300016
10.6018/analesps.34.3.319781
Spain
00
12
2018
00
12
2018
34
3
545
554
[
2014
58
5
5
431-41
]
[
1978
36
4
4
405-17
]
[
2017
]
[
2017
]
[
2016
100
6-11
]
[
2013
105
3
3
861-80
]
[
1998
8
2
2
159-77
]
[
2016
9
2
2
79-88
]
[
2017
56
128-35
]
[
2015
Extr
1
1
63-6
]
[
2016
19
]
[
2006
269-314
]
[
2014
38
6
6
813-37
]
[
1992
]
[
1997
73
6
6
1284-95
]
[
2008
100
1
1
105-22
]
[
2011
23
3
3
359-88
]
[
2010
136
3
3
422-49
]
[
2006
11
1
1
36-53
]
[
1991
61
6
6
981-91
]
[
2015
20
1
1
99-116
]
[
2014
1
2
2
575-84
]
[
2012
11
3
3
285-303
]
[
2014
39
42-58
]
[
2016
7
742
]
[
2003
663-85
]
[
1986
51
6
6
1265-8
]
[
2008
33
4
4
486-512
]
[
2001
88
767-78
]
[
2010
34
242-52
]
[
1998
]
[
2010
]
[
2003
38
1
1
31-8
]
[
2015
36-43
]
[
2007
10
2
2
458-67
]
[
2008
44
2
2
292-311
]
[
2018
34
1
1
52-62
]
[
1995
15
4
4
389-411
]
[
2001
26
1
1
61-75
]
[
2005
76
3
3
260-8
]
[
2012
28
1
1
45-54
]
[
2012
6th
]
[
1997
12
1
1
217-32
]
[
2009
27
13
13
1471-82
]
[
2017
14
4
4
465-76
]
[
1965
]
[
2013
24
1-10
]
[
2013
27
134-43
]
[
2011
21
6
6
699-709
]
[
2012
37
1
1
1-13
]
[
2014
106
3
3
744-61
]
[
1997
89
1
1
71-81
]
[
1983
]
[
2014
66
160-4
]
[
1991
60
5
5
711-25
]
[
2007
13
5
5
617-32
]
[
2014
9
4
4
e93594
]
[
2001
269-94
]
[
2004
96
2
2
236-50
]