Bulletin
английский/Bulletin / USSR People's Commissariat of heavy industry ; Commission for exchange of hydraulic laboratories research results, attad. to the USSR Committee for participator in World power conference.Bulletin / USSR People's Commissariat of heavy industry.Bulletin.Leningrad/USSR Commis. for exch of hydr. laborat research results/, 1935- ( ). - USSR Commis. for exch of hydr. laborat research results, 1935-.Bulletin. Leningrad, 1935- . USSR .