41
by Böhme, Siegfried, Fricke, Walter, Güntzel-Lingner, Ulrich, Henn, Frieda
Published 1970
Springer Berlin Heidelberg
...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut...

42
Published 1998
Springer Berlin Heidelberg
...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut...

43
by Böhme, Siegfried, Fricke, Walter, Güntzel-Lingner, Ulrich, Henn, Frieda
Published 1970
Springer Berlin Heidelberg
...Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut...