Published by the Polygraphic Research Institute, branch publishing and publication center.
Chief editor: Ing. V. Drbohlav.
Editor: PhDr. B. Benesova.
The text and cover were printed by Svoboda, grafika závody, n.p., závod 1, Prague 5, S. M. Kirova 43.
Cover design by Karel Šejna.
Editing (excluding advertisements) by Jiří Rathouský.