1
published 2017
Kostenfrei, Verlag
Frontdoor-Url
Electronic Journal
2
published 2013
Kostenfrei, Verlag
Frontdoor-Url
Electronic Serial Monograph Series
4
published 2013
Kostenfrei, Verlag
Frontdoor-Url
Electronic Journal
5
6
published 2009
Volltext, kostenfrei, Verlag
Volltext, EZB
Electronic Journal
8
published 2007
Kostenfrei, Verlag
Frontdoor-Url
Electronic Journal
11
12
published 1999
Kostenfrei, Verlag
Frontdoor-Url
Electronic Journal
13
published 1985
Kostenfrei, Verlag
Frontdoor-Url
Electronic Journal