1870-4115
1870-4115
S1870-41152012000200238
10.22201/cimsur.18704115e.2012.14.105
Spain
00
12
2012
00
12
2012
7
14
238
268
[
2008
]
[
2008
]
[
2000
]
[
2007
29
95-104
]
[
1991
74
85-111
]
[
CONAIE
2007
]
[
2005
337-57
]
[
2010
]
[
2007
22
25-46
]
[
2005
]
[
2003
193-215
]
[
1997
148
20-9
]
[
2000
9-60
]
[
1992
12
1
1
1-19
]
[
2002
34
3
3
485-524
]
[
2003
]
[
1986
]
[
1996
144
63-74
]
[
1997
61
7-17
]
[
2002
]
[
2007
393-434
]
[
2009
9-36
]
[
2007
]
[
1994
5
1
1
55-69
]
[
2009
]
[
2007
]
[
2007
2
1
1
1-28
]
[
2010
37
3
3
18-34
]
[
2003
]
[
2007
361-2
]
[
2001
]
[
2007
]
[
2008
]
[
2009
]
[
2005
]
[
2007
49
3
3
1-34
]
[
1998
137-88
]