Briest, E
[Contributor];
Böttcher, H
[Contributor];
Fröhlich, H
[Contributor];
Graichen, K
[Contributor];
Haenchen, E
[Contributor];
Hübner, C
[Contributor];
Kalinina, I
[Contributor];
Kegler, H
[Contributor];
Rode, H
[Contributor];
Schmidt, H. E
[Contributor];
Ulrich, M
[Contributor]