1405-6666
1405-6666
S1405-66662006000401363
Mexico
Mexico
Mexico
00
12
2006
00
12
2006
11
31
1363
1388
[
ANUIES
2000
]
[
1997
]
[
2002
]
[
1989
18
1
1
32-42
]
[
2001
]
[
Deutsche Forschungsgemeinschaft
2002
]
[
1997
]
[
2001
]
[
1983
26
4
4
608-25
]
[
2000
33
33
5-34
]
[
1983
]
[
1987
]
[
2005
22-9
]
[
1994
]
[
2001
]
[
2000
8
3
3
262-72
]
[
1997
51
51
70-89
]
[
1988
38-42
]
[
2003
47
1
1
89-108
]
[
2004
19
3
3
124-33
]
[
1995
47
3
3
297-306
]
[
1999
]
[
1995
28
1
1
]
[
2000
118
4
4
602-4
]
[
1997
51
51
43-57
]
[
2000
25
1
1
39-52
]
[
2000
34
4
4
516-23
]
[
1997
51
51
15-28
]
[
1998
3
3
3
313-26
]
[
2001
]
[
2005
24
24
56-65
]
[
2001
112
2
2
233-42
]
[
2000
47
12
12
24-6
]
[
2000
50
3
3
197-211
]
[
2000
25
2
2
149-65
]
[
1998
3
2
2
157-66
]
[
1994
28
28
550-8
]
[
1995
25
3
3
71-92
]
[
1997
]
[
1998
20
595-7
]
[
1997
25
3
3
227-34
]
[
1997
51
51
110-24
]
[
1999
7
3
3
195-202
]
[
2001
9
1
1
23-47
]
[
1997
51
51
29-42
]
[
2002
124
124
]
[
1997
27
14
14
1277-301
]
[
2000
13
13
131-55
]
[
1996
21
4
4
382-4
]
[
1999
7
1
1
41-54
]
[
2000
8
2
2
113-6
]
[
1998
43-5
]
[
2000
8
3
3
261-72
]
[
1998
49
5
5
334-43
]
[
2000
41
6
6
637-42
]
[
1997
65
3
3
197-209
]
[
2000
33
33
539-55
]
[
2001
20
1
1
81-92
]
[
2001
21
2
2
203-18
]
[
2000
25
1
1
19-32
]
[
2002
44
44
469-92
]
[
1997
]
[
1996
79
79
846
]
[
2002
21
1
1
41-53
]
[
1997
25
1
1
74-81
]
[
1997
34
34
81-103
]
[
2001
9
3
3
211-22
]
[
1991
61
4
4
505-32
]
[
1997
]
[
2004
64
64
263-83
]
[
2001
]
[
1997
33
33
251-64
]
[
2001
27
1
1
75-94
]
[
1998
64
1
1
134-47
]
[
1997
99
99
47-60
]
[
1985
40-3
]
[
1997
16
1
1
3-10
]
[
1998
26
26
471-84
]
[
2001
9
2
2
49-62
]
[
1986
41
1
1
3-13
]
[
1998
32
3
3
322-31
]
[
1990
15
3
3
277-88
]
[
2001
26
4
4
307-18
]
[
1993
64
1
1
1-18
]
[
2003
31
3
3
313-34
]
[
2001
9
3
3
201-9
]
[
1997
]
[
1983
33
3
3
161-73
]
[
1982
23-8
]
[
2003
125
125
]
[
1999
15
2
2
108-15
]
[
2001
55
4
4
436-51
]
[
1992
14
4
4
311-21
]
[
1998
]
[
1995
177
2
2
31-46
]
[
2000
8
3
3
241-50
]
[
1996
117
1
1
91-2
]
[
1979
28
339-45
]
[
1997
39
1
1
24-9
]
[
2002
10
2
2
127-35
]
[
1997
51
51
90-109
]
[
1997
82
6
6
945-53
]
[
2000
8
1
1
47-62
]
[
2000
8
2
2
145-70
]
[
2001
9
1
1
77-83
]
[
1998
]
[
1994
115
1
1
70-7
]
[
1997
51
51
90-109
]
[
1997
9
4
4
353-9
]
[
1991
62
2
2
175-93
]
[
2000
2
2
29-48
]
[
1999
119
4
4
693-4
]
[
2000
]
[
2001
53
3
3
313-24
]
[
1997
22
3
3
271-88
]
[
2000
8
3
3
201-20
]
[
1992
]
[
1995
35
1
1
32-43
]
[
1996
56
5
5
846-57
]
[
1998
]
[
1991
]
[
2001
7
4
4
385-417
]
[
1997
45
3
3
93-109
]
[
1994
13
13
157-66
]
[
1999
]
[
1996
22
1
1
5-19
]
[
2001
28
3
3
202-7
]
[
2001
71
71
57-80
]
[
1998
]