1405-2253
1405-2253
S1405-22532018000300133
10.18232/alhe.919
Ecuador
00
12
2018
00
12
2018
25
3
133
159
[
1797
]
[
1993
]
[
1988
]
[
1975
]
[
1964
57/58
57/58
1-50
]
[
1983
]
[
1988
]
[
2013
7
5
5
59-128
]
[
2010
17
1
1
91-125
]
[
1945
]
[
1960
9
4
4
521-57
]
[
1991
9
1
1
35-67
]
[
1983
]
[
2014
]
[
1986
2
2
89-119
]
[
1990
7
7
19-26
]
[
1993
]
[
1997
14
14
75-123
]
[
1938
8
2
2
168-79
]
[
1979
]
[
2004
11
1
1
11-1
]
[
1980
]
[
1962
]
[
1944
]
[
2007
64
2
2
13-60
]
[
2012
105-27
]
[
1988
]
[
2003
]
[
1974
]
[
2011
Carmona
]