1405-3322
1405-3322
S1405-33222007000100043
10.18268/bsgm2007v59n1a4
Mexico
Mexico
Mexico
00
00
2007
00
00
2007
59
1
43
62
[
1978
X
4
4
5-45
]
[
1983
94
941-66
]
[
1981
81-28-36
]
[
2005
57
27-52
]
[
2001
75
241-70
]
[
2005
393
259-282
259-282
]
[
1999
340
319-32
]
[
1999
340
1-58
]
[
2003
23
107-24
]
[
1956
6
25-35
]
[
1936
47
1091-152
]
[
1940
51
117-90
]
[
1989
40
]
[
1991
75
603
]
[
1984
95
1226-41
]
[
1981
31
211-24
]
[
1983
603
]
[
1993
40
289-314
]
[
1999
111
1010-29
]
[
2001
107
195-214
]
[
1988
16
37-40
]
[
1959
54
769-89
]
[
1974
24
258-78
]
[
1986
217
]
[
1986
25
157-206
]
[
1985
4
1-39
]
[
2006
180
]
[
1966
]
[
1999
340
229-69
]
[
1980
115
224-9
]
[
1983
7-19
]
[
1986
14
177-99
]
[
1985
80
]
[
1975
124
]
[
1990
9
235-55
]
[
1977
89
286-98
]
[
1984
76
]
[
1988
72
318-46
]