Correns, Erich
[Editor];
Diačik, Ivan
[Contributor];
Dimov, Kiril
[Contributor];
Djankova, Nedka
[Contributor];
Fadl, Moiiamed H.
[Contributor];
Fusek, Karol
[Contributor];
Gankov, Naiden
[Contributor];
Griehl, Wolfgang
[Contributor];
Hurt, Vratislav
[Contributor];
Jambrich, Martin
[Contributor];
Jäger, Paul
[Contributor];
Koura, Adel
[Contributor];
Kulinski, Dimter
[Contributor];
Leuteritz, Reiner
[Contributor];
Mizeràk, Pavol
[Contributor];
Morin, B. P.
[Contributor];
Philipp, Burkart
[Contributor];
Popova, Nadšda
[Contributor];
Rogovin, Z. A.
[Contributor];
Samojlov, V. I.
[Contributor];
Schleicher, Harry
[Contributor];
Stančenko, G. I.
[Contributor];
Weigel, Peter
[Contributor];
Zlatev, Vesselin
[Contributor]