Oktiabrʹ i mezhdunarodnyi rabochii klass
Series: Novoe v zhizni, nauke, tekhnike. Serii͡a Mezhdunarodnai͡a -- 20; Novoe v zhizni, nauke, tekhnike -- 20
Publisher: Znanie
Published: 1967
Place of publication: Moskva
Language: rus
Number of pages: 60