106
107
published 2015
Kostenfrei, Verlag
E-Book
108
109
published 2014
Volltext, kostenfrei, Verlag
Electronic Journal
111
published 2014
Google_Books, Volltext, Verlag
E-Book
113
published 2013
34, kostenfrei, Verlag
34, EZB
Electronic Journal
114
115
published 2013
34, kostenfrei, Verlag
34, EZB
Electronic Journal
116
published 2013
Kostenfrei, Verlag
E-Book