1870-3925
1870-3925
S1870-39252020000100133
10.22198/rys2020/32/1326
Mexico
Spain
Mexico
00
00
2020
00
00
2020
32
[
1998
26
4
4
511-37
]
[
2016
6
6
]
[
2016
115-36
]
[
1963
]
[
2004
]
[
1974
1
2
2
1-43
]
[
1969
35
4
4
216-24
]
[
2003
6
4
4
]
[
1998
60
3
3
780-800
]
[
1954
]
[
2009
]
[
1961
6
2
2
129-66
]
[
1993
]
[
1976
9
2
2
189-206
]
[
1982
8
3
3
85-109
]
[
2012
175-93
]
[
1998
19
3
3
567-84
]
[
2011
]
[
2001
]
[
2020
]
[
2001
179-94
]
[
2007
45
45
17-46
]
[
1999
205-20
]
[
1980
593-632
]
[
2002
]
[
1992
203-20
]
[
1994
6
4
4
527-62
]
[
2003
]
[
1994
]
[
2009
]
[
1983
36
3
3
400-9
]
[
2018
]
[
1994
]
[
2015
2
1
1
85-113
]
[
2011
33
2
2
399-428
]
[
1999
32
3
3
342-62
]
[
2009
55-76
]
[
1998
]
[
1999
71-99
]
[
2006
3-20
]
[
2006
101-29
]
[
1987
]
[
1994
22
3
3
259-71
]