Tekhnicheskiĭ progress v ugolʹnoĭ promyshlennosti
Series: Vses. ob-vo po raspr. polit. i nauch. znaniĭ -- Ser. 4, No. 4; Vsesoi͡uznoe obshchestvo po rasprostranenii͡u politicheskikh i nauchnykh znaniĭ (Series) -- serii͡a 4, no. 4.
Publisher: Znanie
Published: 1954
Place of publication: Moskva
Language: rus
Number of pages: 39
Subjects: Coal mines and mining
Notes: Volume of pamphlets.