0185-2574
0185-2574
S0185-25742018000200051
10.19130/iifl.ecm.2018.52.932
USA
00
00
2018
00
00
2018
52
51
76
[
1976
3-20
]
[
1999
104
]
[
1992
]
[
1923
]
[
2000
31
367-88
]
[
2004
31
2
2
205-15
]
[
2003
13
1
1
5-23
]
[
2004
11
1
1
31-58
]
[
1990
]
[
2006
3
41-57
]
[
2012
]
[
2011
78-101
]
[
1988
81-104
]
[
2012
19
113
113
32-7
]
[
2006
17
1
1
57-78
]
[
2007
36
55-71
]
[
1988
90
3
3
547-67
]
[
1985
]
[
2009
1
2
2
95-122
]
[
2013
33
263-77
]
[
2004
65-86
]
[
2009
]
[
1994
]
[
2006
33
391-404
]
[
1991
12-31
]
[
1992
497-505
]
[
2008
25-39
]
[
2011
21
1
1
180-8
]
[
2015
3-20
]
[
2010
291-309
]
[
1946
]
[
2005
79
573-85
]
[
2013
]
[
1995
]
[
2004
256-8
]
[
1889-902
]
[
1997
29
2
2
281-308
]
[
1996
]
[
2005
16
3
3
255-74
]
[
2010
33
2
2
315-33
]
[
1961
1
87-106
]
[
1984
189-218
]
[
1952
5
33
33
47-66
]
[
1954
6
10
10
117-84
]
[
1958
6
14
14
91-112
]
[
2005
4
16
16
3-8
]
[
1986
6-11
]
[
2002
13
21-39
]
[
1998
373-425
]
[
2015
44
329-45
]
[
1999
10
2
2
215-35
]
[
2005
16
23-50
]
[
1941
]
[
2000
115-34
]
[
2013
40
615-25
]
[
1976
]
[
2009
63
2
2
119-29
]