1665-952X
1665-952X
S1665-952X2018000300050
10.22201/fe.24488143e.2018.45.405
Mexico
00
12
2018
00
12
2018
15
45
50
69
[
1992
60
2
2
322-52
]
[
2009
97
173-93
]
[
2000
28
4
4
775-88
]
[
1988
]
[
2004
]
[
1988
22
1
1
3-42
]
[
1993
61
2
2
251-72
]
[
2007
]
[
2001
100-12
]
[
1998
]
[
1956
70
1
1
65-94
]
[
1996
11
2
2
151-77
]
[
2003
80
80
7‐40
]