Böttcher, Horst
[Contributor];
Junges, Walter
[Contributor];
Marinesku, B. G
[Contributor];
Pätzold, Günter
[Contributor];
Rockmann, Hans-Jürgen
[Contributor];
Rudolph, Volker
[Contributor];
Thomas, Erhard
[Contributor];
Verderevskaja, T. D
[Contributor];
Vogl, Michael
[Contributor];
Zemtchik, E. Z
[Contributor]