1
by Koch, Helmut
Published 1982
Gabler Verlag

2
by Koch, Helmut
Published 2004
Springer Berlin Heidelberg

3
by Koch, Helmut, Kramer, Maria
Published 1983
VS Verlag für Sozialwissenschaften

4
by Koch, Helmut
Published 1997
Vieweg+Teubner Verlag

5
by Koch, Helmut
Published 1977
Gabler Verlag

6
by Koch, Helmut
Published 1982
Gabler Verlag

7
by Koch, Helmut
Published 1997
Gabler Verlag

8
by Koch, Helmut
Published 1973
Gabler Verlag

9
by Koch, Helmut
Published 1987
Gabler Verlag

10
by Koch, Helmut
Published 1980
Gabler Verlag

11
by Koch, Helmut
Published 2002
Springer Berlin Heidelberg

12
by Koch, Helmut
Published 2002
Springer Berlin Heidelberg

13
by Koch, Helmut
Published 1966
VS Verlag für Sozialwissenschaften

14
by Koch, Helmut
Published 1991
Springer Netherlands

15
by Koch, Helmut
Published 1970
Gabler Verlag

16
by Rietz, Dag Du, Koch, Helmut
Published 1948
Vieweg+Teubner Verlag

17
by Koch, Helmut
Published 1968
VS Verlag für Sozialwissenschaften

18
by Koch, Helmut
Published 1961
Gabler Verlag