1870-6622
1870-6622
S1870-66222020000200033
10.18381/eq.v17i2.7170
Mexico
00
12
2020
00
12
2020
17
2
33
56
[
2001
95
3
3
649-61
]
[
2000
]
[
1982
]
[
2000
]
[
2004
39
2
2
66-88
]
[
2004
]
[
2004
48
4
4
742-57
]
[
1989
58
1
1
101-16
]
[
2013
175-202
]
[
2001
45
3
3
405-23
]
[
2004
37
2
2
152-87
]
[
2004
47-66
]
[
1986
50
1/3
1/3
27-91
]
[
1997
]
[
2010
342-57
]
[
1981
25
4
4
646-63
]
[
1986
48
2
2
370-89
]
[
2000
33
1
1
37-57
]
[
1962
]
[
2002
96
1
1
27-40
]
[
2013
57
1
1
1-14
]
[
2009
229-45
]
[
2016
]
[
1995
89
4
4
856-66
]
[
1996
58
4
4
1132-55
]
[
2012
21
2
2
351-72
]
[
1994
]
[
2001
]
[
2003
87
5/6
5/6
883-915
]
[
2005
]
[
1995
]
[
1987
52
3
3
273-97
]
[
2007
182-205
]
[
1997
]
[
2007
68-83
]
[
2008
]
[
2008
102
1
1
19-31
]
[
1997
]
[
2001
54-76
]
[
2001
31-53
]
[
1991
]
[
1962
]
[
2002
]
[
2000
94
2
2
289-304
]
[
1971
2
1
1
3-21
]
[
2003
55
3
3
399-422
]
[
1989
97
1395-424
]
[
1997
]