Sodruzhestvo sotsialisticheskikh stran
Series: Novoe v zhizni, nauke, tekhnike. Serii͡a Mezhdunarodnai͡a -- 16; Novoe v zhizni, nauke, tekhnike -- 16
Publisher: Znanie
Published: 1966
Place of publication: Moskva
Language: rus
Number of pages: 45