2
by Welfens, Paul J.J.
Published 1999
Springer Berlin Heidelberg

7
by Welfens, Paul J.J.
Published 2002
Springer Berlin Heidelberg

8
by Welfens, Paul J.J.
Published 2020
Springer Fachmedien Wiesbaden

10
by Welfens, Paul J.J.
Published 2013
Springer Berlin Heidelberg

12
by Welfens, Paul J.J.
Published 2008
Springer Berlin Heidelberg

14
by Welfens, Paul J.J.
Published 2007
Springer Berlin Heidelberg

15
by Welfens, Paul J.J.
Published 2008
Springer Berlin Heidelberg

19
by Welfens, Paul J. J.
Published 2018
De Gruyter Oldenbourg

20
by Welfens, Paul J.J.
Published 2018
Springer Fachmedien Wiesbaden