1405-9193
1405-9193
S1405-91932020000100039
10.22201/iij.24484881e.2020.42.14336
Spain
00
06
2020
00
06
2020
42
39
72
[
2004
31
31
]
[
1995
]
[
2001
]
[
2008
58
58
]
[
1981
33
2
2
]
[
1998
]
[
1993
]
[
2013
95
95
]
[
2015
]
[
1994
46-2
46-2
]
[
1994
46
2
2
]
[
2009
129
129
]
[
2008
]
[
1995
20
20
]
[
2005
63
63
]
[
2009
129
129
]
[
2010
]
[
1997
216-45
]
[
2009
]
[
1982
]