2448-6442
2448-6442
S2448-64422017000200319
10.24201/es.2017v35n104.1544
México
México
00
08
2017
00
08
2017
35
104
319
341
[
2010
72
03
03
894-905
]
[
1988
]
[
1990
84
03
03
821-47
]
[
1984
31
2
2
215-22
]
[
2011
7
1
1
9
]
[
1979
]
[
1954
]
[
2011
33
3
3
357
]
[
2010
26
4
4
419-30
]
[
2004
106
3
3
393-415
]
[
2010
83
4
4
915-34
]
[
2000
41
3
3
241-55
]
[
1954
]
[
2000
28
2
2
347-54
]
[
2011
]
[
2008
46
1
1
95-144
]
[
1998
124
2
2
197
]
[
2009
]
[
2006
1
2
2
151-7
]
[
2000
55
1
1
34
]
[
1994
31
2
2
103-57
]
[
2002
28
4
4
437-45
]
[
2003
54
1
1
403-25
]
[
2000
]
[
2008
29
1
1
94-122
]
[
2007
82
3
3
505-26
]
[
2008
9
2
2
227-55
]
[
2012
22
3
3
283-300
]
[
1991
32
1
1
80-99
]
[
1986
51
5
5
1058
]
[
1985
11
1
1
89-97
]
[
1987
49
02
02
441-64
]
[
1985
29
4
4
891-913
]
[
2012
13
1
1
63-78
]
[
2011
148
3-4
3-4
269-81
]
[
2004
160
377-401
]
[
2010
]
[
2000
110
466
466
918-38
]
[
1984
37
8
8
645-57
]
[
2003
34
4
4
723-7
]
[
2004
12
1
1
]
[
1989
57
4
4
731
]
[
2003
20
2
2
331-60
]
[
2004
359
1435-46
]
[
2006
59
1
1
43-62
]
[
2000
23
1
1
215-28
]
[
1997
19
]
[
1990
]
[
2000
165-83
]
[
2010
1
1
1
20-6
]
[
2006
20
1
1
3-24
]
[
2003
]
[
1998
79
8
8
900-9
]
[
2009
]
[
2010
327
5965
5965
534-5
]
[
1986
355-78
]
[
2015
16
2
2
381-404
]
[
1987
81
02
02
571-81
]
[
2010
58
1
1
187-213
]
[
1999
46
3
3
301-23
]
[
2006
79
191-213
]
[
1981
197-240
]
[
2008
89
4
4
987-1005
]
[
2009
231-56
]
[
2008
6
02
02
267-77
]
[
2000
3
]
[
2001
95
4
4
939-52
]
[
2009
75-102
]
[
2013
14
5
5
1479-505
]
[
2003
85
6
6
1136-46
]
[
1997
65
3
3
529-65
]
[
1991
20
1
1
93-102
]
[
2001
2
2
2
173-204
]
[
1997
73
6
6
1380-93
]
[
2005
168
3
3
513-37
]
[
1990
23
3
3
201-30
]
[
2007
36
6
6
895-913
]
[
2012
34
3
3
535-59
]
[
2008
134
1
1
138
]
[
2004
54
1
1
89-109
]
[
2006
35
2
2
326-47
]
[
1989
74
3
3
502-7
]
[
2008
41
12
12
1607-30
]
[
2001
42
2
2
115-31
]
[
1970
]
[
2003
129
6
6
914-45
]
[
2003
51
1
1
29-49
]
[
2009
46
4
4
487-92
]
[
2000
2
1
1
91-125
]
[
1994
32
2
2
101-60
]
[
1988
20
4
4
333-54
]
[
1995
]
[
2013
47
5
5
1-27
]
[
2011
53
4
4
101126
]