1
by Benkert, O.
Published 1977
Springer Berlin Heidelberg

2
by Benkert, O., Hippius, H.
Published 1986
Springer Berlin Heidelberg

3
by Benkert, O., Hippius, H.
Published 1998
Springer Berlin Heidelberg

4
by Benkert, O., Hippius, H.
Published 2000
Springer Berlin Heidelberg

5
by Benkert, O., Hippius, H.
Published 1974
Springer Berlin Heidelberg

6
by Benkert, O., Hippius, H.
Published 1976
Springer Berlin Heidelberg