1405-3195
1405-3195
S1405-31952007000300283
Mexico
Mexico
Mexico
00
05
2007
00
05
2007
41
3
283
294
[
2007
41
45-55
]
[
1992
45
]
[
1980
300-5
]
[
1988
2
512
]
[
2000
2
79
]
[
1988
6
151-9
]
[
1987
30
75-6
]
[
1987
5
27-31
]
[
1987
5
91-7
]
[
1982
238
]
[
2002
185-90
]
[
1998
32
339-47
]
[
1991
104-18
]
[
1992
33
62
]
[
1998
32
233-9
]
[
1992
10
192-9
]
[
1983
193
]
[
2000
34
561-72
]
[
2001
35
625-36
]
[
2003
48
125-32
]
[
2002
25
49-56
]
[
2004
27
149-56
]
[
1999
89
1029-37
]
[
SAS Institute
1998
100-20
]
[
2002
87
172-6
]
[
2004
44
1195-9
]
[
1998
94
]
[
1996
84
]
[
2002
457-63
]
[
2002
V
3
3
322
]