1870-199X
1870-199X
S1870-199X2009000200099
10.22201/fo.1870199xp.2009.13.2.15607
Mexico
Mexico
00
00
2009
00
00
2009
13
2
99
104
[
1999
14
1
1
5-6
]
[
1987
III
]
[
1990
15
1
1
91-104
]
[
1964
43
353-62
]
[
1978
48
141-8
]
[
1980
1
131-59
]
[
1993
10
1
1
26-9
]
[
1995
20
1
1
15-21
]
[
1999
37
409-11
]
[
1995
72
4
4
210-2
]
[
1998
8
2
2
137-41
]
[
2002
31
2
2
115-8
]
[
2003
64
5
5
330-40
]