Published by the General Management of Printing Industry Prague in SNTL
Editor-in-chief Vladimir Drbohlav.
Assistant editors Helena Mendlová, Bohuslav Holy.
Cover by Milan Jares.
Design by Milada Slaninová.
Printed by Polygrafické závody, Bratislava-Krasñany. Published monthly in cooperation with General Management of Slovak Printing Industry (Slovenská polygrafia), Bratislava; Czechoslovak Printing Society (CSVTS)