1
published 1998
Journal
2
published 1996
Journal
3
published 1991
Journal
4
published 1990
Journal
5
published 1985
Journal
6
published 1985
Journal
7
published 1984
Journal
8
published 1982
Journal
9
published 1982
Journal
10
published 1976
Journal
11
published 1974
Journal
12
published 1967
Journal
13
published 1967
Journal
14
published 1963
Journal
15
16
published 2018
Kostenfrei, Verlag
Verlag
Frontdoor-Url
Electronic Journal
17
published 2017
Volltext, kostenfrei, Verlag
Volltext, EZB
Electronic Journal
18
published 2016
Volltext, kostenfrei, Verlag
Volltext, EZB
Electronic Journal
19
published 2016
Volltext, kostenfrei, Verlag
Volltext, EZB
Electronic Journal
20
published 2016
Volltext, kostenfrei, Verlag
Volltext, EZB
Electronic Journal