Geophysics course.Part 2

Tverskaya, P.N.Geophysics course.- 2nd ed.-Leningrad;Moscow: [B.I.], 1932-1934.-.1. The people (collection).Electronic copy source: PBOriginal storage: RGOPart 2. - ONTI GOS.tech.-Theoret.Publishing House, 1934. -216 p.: il., table .. -On the region: prof.P.N.Tver.On the region.Publishing House: GTTI.Bibliogr.in the text and subscription.Note..1. The people (collection).Electronic copy source: PBOriginal storage: RGO