1
by Schaefer, Helmut
Published 1979
Springer Berlin Heidelberg

2
by Schaefer, Helmut
Published 1981
Springer Berlin Heidelberg

3
by Schaefer, Helmut
Published 1979
Springer Berlin Heidelberg

4
by Schaefer, Helmut
Published 1985
Springer Berlin Heidelberg

5
by Schaefer, Helmut
Published 1987
Springer Berlin Heidelberg

6
by Schaefer, Helmut H.
Published 1982
Springer Berlin Heidelberg

7
by Schaefer, Helmut, Wegner, Manfred
Published 1966
VS Verlag für Sozialwissenschaften

8
by Schaefer, Helmut H.
Published 1971
Springer New York

9
Published 1994
Springer Berlin Heidelberg
Other Authors: '; ...Schaefer, Helmut...

10
Published 1989
Springer Berlin Heidelberg
Other Authors: '; ...Schaefer, Helmut...

11
by Nagel, Raine
North-Holland Sole distributors for the U.S.A. and Canada, Elsevier Science Pub.
Subjects: '; ...Schaefer, Helmut...