Report of the main hydrographic department of the maritime ministry .... in 1912.For 1912.

Report of the main hydrographic department of the maritime ministry ... / Ch.Hydrographic UPR.Marine Mr.- Petrograd, 1918. -.I. Russia.The main hydrographic control.People (collection).Electronic Source: PBPlace of Storage Original: RGOFor 1912: for 1912.- Type of.Maritime Ministry, 1913. -IX, 225 p., 1 l.Tab., 6 literskart.: tabl .. -Bibliogr.in a substrateNote..1. People (collection).Electronic Source: PBPlace of Storage Original: RGO