Ziesche, Paul
[Author];
Lehmann, Gerd
[Author]
;
Eschbig, H
[Contributor];
Eschrig, H
[Contributor];
Hietschold, M
[Contributor];
John, W
[Contributor];
Lehmann, G
[Contributor];
Mbosait, E
[Contributor];
Paasch, G
[Contributor];
Rennekt, P
[Contributor];
Rennert, P
[Contributor];
Taut, M
[Contributor];
Ziesche, P
[Contributor]