Angara problem

Aleksandrov, I.G.Angara problem / prof.I.G.Alexandrov.- Moscow ;Leningrad: state.Social-Econ.Publishing House, 1931. -114, [1] p.: il., table .. -On the region.Publishing House: SotoCgiz.Bibliogr.In the settling.Note .. - Ex.Def.: Part of the text goes into a binding..1. Territory (collection).Electronic copy source: PBOriginal storage location: GUNB of the Krasnoyarsk Territory