1409-4258
1409-4258
S1409-42582017000200335
10.15359/ree.21-2.16
MX
MX
MX
MX
00
08
2017
00
08
2017
21
2
335
349
[
1990
]
[
1979
]
[
1981
88
4
4
354-64
]
[
2002
]
[
2003
]
[
1993
18
18
145-69
]
[
2010
5
1
1
27-34
]
[
1998
]
[
1993
]
[
1992
8
8
]
[
2001
]
[
2012
32
32
113-35
]
[
2000
]
[
1951
107
10
10
786-7
]
[
1993
]
[
2010
4
11
11
1098-110
]
[
2002
128
6
6
903-33
]
[
1996
]
[
1997
]
[
1994
]
[
2011
40
6
6
1145-52
]
[
2012
]