Angeiowa, A
[Contributor];
Auerbach, Dieter
[Contributor];
Bartsch, Dieter
[Contributor];
Correns, Erich
[Editor];
Danz, Rudi
[Contributor];
Dautzenberg, Horst
[Contributor];
Dechant, Johannes
[Contributor];
Dimitrow, D
[Contributor];
Hannes, Erika
[Contributor];
Holy, Gerhard
[Contributor];
Hornuff, Günther von
[Contributor];
Mintschewa, W
[Contributor];
Paul, Dieter
[Contributor];
Philipp, Burkart
[Contributor];
Schumann, Jürgen
[Contributor];
Stanew, S
[Contributor];
Woinowa, S
[Contributor]