Russian deposits of cloth clays and substances close to them

Fersman, A.E.Russian deposits of cloth clays and close to them / [Op.] A.E.Fersman;(With analit. Data F.A. Nikolaevsky).- 2nd ed., Additional.-Plograd: Type.Imp.Acad.Sciences, 1916. -[2], 23 p.: table .. - (Materials for studying the natural productive forces of Russia; 1).-Part of the text is for the last.foreign.ulcer.Bibliogr.in the text and subscription.Note..I. Nikolaevsky, F.A.1.Territory (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University