"Short description: In Russian. Okunev, Boris Nikolaevich. Changes in elements of the trajectory of an artillery shell. Moscow; Leningrad: State University of Technology, 1943. Izmeneniya elementov traektorii artilleriyskogo snaryada. In Russian /Changes in the trajectory of an artillery shell . 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. SKU5342462"