1870-199X
1870-199X
S1870-199X2009000400234
10.22201/fo.1870199xp.2009.13.4.15560
Mexico
Mexico
00
00
2009
00
00
2009
13
4
234
237
[
1996
1
75-84
]
[
1999
XXIII
]
[
2002
70
239-45
]
[
2003
61
840-4
]
[
2002
2
141-58
]
[
1990
70
738-40
]
[
1985
60
23-4
]
[
2000
3
2
2
31-56
]
[
2005
3
155-60
]
[
2004
42
425-36
]