0187-893X
0187-893X
S0187-893X2018000100010
10.22201/fq.18708404e.2018.1.63680
Germany
Germany
Germany
00
00
2018
00
00
2018
29
1
9
20
[
2017
297-307
]
[
2015
16
3
3
578-88
]
[
2012
13
2
2
93-102
]
[
2016
239-44
]
[
2000
11
1
1
16-21
]
[
2002
3
1
1
67-75
]
[
2014
85-100
]
[
2013
1-36
]
[
2005
37
1
1
11-34
]
[
2011
88
9
9
1250-6
]
[
1998
53
1
1
5-26
]
[
2011
9
6
6
1459-83
]
[
2007
29
11
11
1347-62
]
[
2014
10
4
4
285-96
]
[
2008
9
3
3
267-76
]
[
2009
4
2
2
131-45
]
[
2010
11
2
2
129-41
]
[
2014
10
4
4
285-96
]
[
2006
28
9
9
]
[
2011
]
[
2013
22
7
7
1873-90
]
[
2018
65-88
]
[
2017
53
165-92
]
[
2013
9
4
4
273-82
]
[
2014
15
1
1
156-67
]
[
2015
92
1
1
129-34
]
[
2013
49
1
1
1-34
]
[
2015
24
3
3
281-98
]