0012-7353
0012-7353
S0012-73532017000100176
10.15446/dyna.v84n200.54573
Ecuador
00
03
2017
00
03
2017
84
200
176
184
[
2003
6
3
3
377-85
]
[
1993
2-3
]
[
2011
2011
17-9
]
[
2005
108-20
]
[
2011
1-67
]
[
2003
65
2
2
124-35
]
[
2008
176
4
4
448-56
]
[
2009
180
1
1
1-8
]
[
2014
2014
730-3
]
[
1994
1994
186-9
]
[
2005
152
5
5
659-64
]
[
1992
30
3
3
642-4
]
[
2010
4
4
4
413-20
]
[
2008
5th IEEE
433- 436
]
[
2016
54
9
9
5247-57
]
[
2002
]
[
2009
12-7
]
[
1998
1998
1333-5
]
[
2005
]
[
2009
38
3
3
849-71
]
[
2013
]
[
2015
99
99
1-11
]
[
1994
62
1
1
95-135
]
[
1997
]
[
2000
9
12
12
2043-50
]
[
2006
]
[
1991
21
3
3
660-74
]
[
1995
276-83
]
[
2012
]
[
1997
19
5
5
476-91
]
[
2013
37
394-414
]