Tufovye karʹery Armenii
By: A. A. Bagdasari͡an.
Publisher: Aĭastan
Published: 1968
Place of publication: Erevan
Language: rus
Number of pages: 168
Subjects: Strip mining -- Armenia.; Volcanic ash, tuff, etc. -- Armenia.
Notes: Microfilm. [S.l. : s.n., 198-?] On 1 reel with other items ; 35 mm.
Bibliography: p. 168-[169]
At head of title: Glavnoe upravlenie promyshlennosti stroitelʹnykh materialov i stroĭindustrii Ministerstva stroitelʹstva ARM. SSR.