1
by Abels, Heiner, Degen, Horst
Published 1985
Gabler Verlag

2
by Abels, Heiner, Degen, Horst
Published 1989
Gabler Verlag

3
by Abels, Heiner
Published 1976
VS Verlag für Sozialwissenschaften

4
by Abels, Heiner
Published 1985
Gabler Verlag

5
by Abels, Heiner, Degen, Horst
Published 1978
Gabler Verlag

6
by Abels, Heiner, Degen, Horst
Published 1986
Vieweg+Teubner Verlag