1870-199X
1870-199X
S1870-199X2007000400201
10.22201/fo.1870199xp.2007.11.4.15801
Mexico
Mexico
Mexico
00
00
2007
00
00
2007
11
4
201
206
[
1995
73
553-8
]
[
1973
35
302
]
[
1999
82
197-204
]
[
1976
2
]
[
1981
4
]
[
1992
]
[
1991
3
]
[
1988
98
600
]
[
1977
3
2
]
[
1974
10
]
[
1988
5
385
]
[
1993
8
688-94
]
[
2001
34
4
4
]
[
1994
93
967
]
[
1980
66
1
]
[
1980
66
13
]
[
1999
22
272-7
]
[
2001
107
1241
]
[
1992
7
203-11
]
[
1993
8
197-204
]
[
1996
11
159-68
]
[
2001
39
269-75
]
[
1995
10
578-82
]
[
1991
49
33-45
]
[
1999
81
228-3
]