1405-3195
1405-3195
S1405-31952007000400395
Mexico
00
06
2007
00
06
2007
41
4
395
403
[
1994
72
1013-22
]
[
1970
21
755-66
]
[
2005
499
]
[
1977
464
]
[
1976
23
63-71
]
[
1985
40
177-82
]
[
1988
217
]
[
2005
500
]
[
1968
220
390-3
]
[
1994
519
]
[
1989
48
519-33
]
[
1999
52
462-70
]
[
1985
19
19
98-103
]
[
1993
46-54
]
[
1971
221
]
[
1988
2
622
]
[
2003
13
312-8
]
[
2001
39
1-14
]