Short description: In Russian. Durilin, Panteleimon Nikolaevich. Composition and testing of Russian hard coals. Moscow: type. M. Aleksandrova, 1916. Sostav i ispytanie kamennykh ugley Rossii. In Russian /Composition and testing of Russian hard coals. 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. SKU4210111