The absorption properties of Russian clays.Materials for studying the natural productive forces of Russia.Part 1-2

Zemyatchensky, P.A.The absorption properties of Russian clay / [so -out] P.A.Zemyatchensky.- Petrograd: [B.And., 1916-1919].- (Materials for studying the natural productive forces of Russia).1. Territory (collection).Electronic copy source: PBOriginal storage: St. Petersburg State UniversityPart 1-2: Part is experimental.- (for the first part - 2nd ed.).- The first state.Type., 1919. -67 p.: table .. - (Materials for studying the natural productive forces of the Russians. Commission. Under the Russian Academician, Science; 27).-Bibliogr.In the tuning.Note..1. Territory (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University