0123-3122
0123-3122
S0123-31222016000200159
10.5294/PEBI.2016.20.2.4
Spain
00
07
2016
00
07
2016
20
2
159
174
[
2000
]
[
1980
]
[
1990
]
[
1992
]
[
1963
]
[
2008
]
[
1977
]
[
1996
]
[
2006
143
143
311-35
]
[
2010
29
29
13-21
]
[
2008
]
[
1987
]
[
1996
]
[
1984
]
[
1988
]
[
1980
]
[
2004
2
1
1
35-ss
]
[
2009
]
[
1993
]
[
1988
2
2
17-ss
]
[
2001
]
[
2000
]
[
1982
13
13
197-209
]
[
1999
]
[
1992
]
[
1997
]
[
2004
2
1
1
77-ss
]
[
]
[
2012
16
16
19-ss
]