Short description: In Russian. Zemyatchensky, Petr Andreevich. The absorption properties of Russian clay. Petrograd: b.i., 1919: 1st State Type. Poglotitel'nyya svoystva russkikh glin. In Russian /The absorption properties of Russian clay. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU8969572