1
by Ellinger, Theodor
Published 1966
VS Verlag für Sozialwissenschaften

2
by Ellinger, Theodor
Published 1990
Springer Berlin Heidelberg

3
by Ellinger, Theodor, Beuermann, Günter, Leisten, Rainer
Published 2003
Springer Berlin Heidelberg

4
by Ellinger, Theodor, Beuermann, Günter, Leisten, Rainer
Published 1998
Springer Berlin Heidelberg