0123-5923
0123-5923
S0123-59232019000300331
10.18046/-j.estger.2019.152.3176
Mexico
00
09
2019
00
09
2019
35
152
331
342
[
1991
]
[
1996
]
[
2002
37
4
4
765-802
]
[
2014
31
2
2
1-18
]
[
1980
]
[
1988
13
411-23
]
[
2015
2
117
117
538-52
]
[
1999
33
11/12
11/12
1003-37
]
[
1988
16
1
1
74-94
]
[
2010
44
5
5
653-71
]
[
2013
29
9-10
9-10
973-80
]
[
1990
107
2
2
238-46
]
[
1980
88
1
1
588-606
]
[
2005
]
[
1999
8
2
2
106-18
]
[
2007
16
2
2
121-31
]
[
2009
73
3
3
52-68
]
[
2009
9
107
107
107-11
]
[
2006
]
[
1989
]
[
2006
2
]
[
2005
45
4
4
356-61
]
[
2016
69
11
11
5479-86
]
[
1997
28
2
2
309-34
]
[
2001
65
2
2
81-93
]
[
1991
44
1
1
347-57
]
[
2015
32
3/4
3/4
307-28
]
[
2010
52
1
1
43-66
]
[
2000
16
6
6
597-606
]
[
1999
]
[
1980
5
1
1
77-82
]
[
2015
24
1
1
3-17
]
[
2007
3
1
1
7-16
]
[
2010
3
]
[
1992
]
[
1998
14
5
5
417-43
]
[
2001
17
7/9
7/9
645-69
]
[
2003
37
7/8
7/8
1095-118
]
[
2003
23
3
3
1-21
]
[
2006
40
5/6
5/6
611-33
]
[
2003
41
9
9
844-58
]
[
1993
4
1
1
25-35
]
[
2015
24
5
5
449-61
]
[
2005
58
6
6
841-53
]
[
2003
]
[
1981
18
39-50
]
[
1998
24
4
4
343-53
]
[
1986
7
2
2
117-34
]
[
2012
54
5
5
659-87
]
[
2003
]
[
2007
]
[
2014
]
[
2001
10
6
6
346-60
]
[
2002
7
1
1
30-44
]
[
2001
35
3(4
3(4
441-56
]
[
1994
]
[
1998
54-69
]
[
1982
9
2
2
132-40
]
[
2000
37
4
4
449-62
]
[
2011
25
2
2
114-21
]
[
1992
112
1
1
351-62
]
[
1997
]
[
2007
3
]
[
2007
15
2
2
135-45
]
[
2003
35
3
3
22-6
]
[
2017
11
2
2
233-44
]
[
2013
2
2
2
112-20
]
[
1986
]
[
1999
]
[
1978
2
]
[
2006
40
7/8
7/8
742-60
]
[
1993
57
1
1
1-22
]
[
2016
6
1/2
1/2
1-16
]
[
1998
]
[
2006
14
1-2
1-2
74-81
]
[
2009
16
8
8
532-44
]
[
2010
24
5
5
378-88
]
[
2007
15
2
2
115-22
]
[
1971
]
[
1990
54
1
1
1-18
]
[
1993
30
4
4
467-77
]
[
2010
]
[
2005
14
2
2
228-38
]
[
2011
75
4
4
35-52
]
[
1992
3
1
1
25-38
]
[
2002
80
1
1
90-105
]
[
2001
30
1
1
415-24
]
[
2010
14
3
3
223-36
]
[
2002
3
3
3
259-74
]
[
1994
58
3
3
20-38
]
[
2005
14
1
1
220-7
]
[
2006
22
3
3
673-94
]
[
1990
54
4
4
20-35
]
[
2015
8
2
2
243-63
]
[
2015
24
6
6
554-66
]
[
1994
3
]
[
2007
27
6
6
564-87
]
[
1999
63
4
4
33-44
]
[
2009
]
[
2017
3
3
3
305-32
]
[
1998
2nd ed
]
[
2002
13
1
1
1-30
]
[
2013
66
2
2
180-7
]
[
1986
50
4
4
135-45
]
[
2016
25
5
5
490-503
]
[
2007
15
1
1
57-70
]
[
2017
119
8
8
1884-96
]
[
1995
8
1
1
14-9
]
[
1995
4
4
4
48-55
]
[
2004
3
]
[
2011
25
7
7
497-508
]
[
2015
175
1
1
24-31
]
[
1993
17
4
4
517-25
]
[
2014
43
8
8
1209-23
]
[
1987
125-9
]
[
2005
]
[
2001
10
2
2
28-33
]
[
2005
]
[
1995
12
40
40
42-50
]
[
1990
87-119
]
[
1999
15
1
1
117-33
]
[
2006
40
7/8
7/8
761-84
]
[
2008
36
1
1
1-10
]
[
2015
32
6
6
405-21
]
[
2019
22
3
3
255-72
]
[
2010
12
4
4
357-87
]
[
2010
17
7
7
532-40
]