1
by Koch, Helmut
Published 1968
VS Verlag für Sozialwissenschaften

2
by Koch, Helmut
Published 1961
Gabler Verlag

3
by Mellwig, Winfried, Baetge, Jörg, Koch, Helmut
Published 1979
Gabler Verlag

4
by Delfmann, Werner, Adam, Dietrich, Koch, Helmut
Published 1989
Gabler Verlag

5
by Koch, Helmut
Published 1980
Gabler Verlag

6
by Koch, Helmut, Gutenberg, Erich
Published 1973
Gabler Verlag

7
by Koch, Helmut
Published 1987
Gabler Verlag

8
by Koch, Helmut
Published 1977
Gabler Verlag

9
by Koch, Helmut
Published 1982
Gabler Verlag

10
by Koch, Helmut
Published 1970
Gabler Verlag

11
by Koch, Helmut
Published 1966
VS Verlag für Sozialwissenschaften