Short description: In Russian. Morozov, Nikolai Alexandrovich. The principle of relativity and the absolute. St. Petersburg: State Publishing House, 1920. Printsip otnositel'nosti i absolyutnoe. In Russian /The principle of relativity and the absolute. 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. SKU9145131