2448-7678
2448-7678
S2448-76782002000100005
Mexico
00
06
2002
00
06
2002
31
90
[
1999
]
[
1999
17
4
4
391-402
]
[
1996
16
5
5
329-40
]
[
2001
]
[
2001
]
[
1997
30
3
3
374-84
]
[
1999
6
5
5
212-6
]
[
1988
66
1
1
]
[
1997
51
12
12
20-4
]
[
1988
47
5
5
175-7
]
[
1999
20
7
7
367-72
]
[
2000
1
1
1
68-84
]
[
1997
30
3
3
392-8
]
[
1999
]
[
]
[
]
[
2000
40
3
3
]
[
1990
]