Short description: In Russian. Upornikov, Nikolai Alekseevich. Mixed method of solving the main problem of internal balistics. Leningrad: Military-technical acronym of the Dzerzhinsky RKA, 1929: type Sokol. Smeshannyy sposob resheniya osnovnoy zadachi vnutrenney balistiki. In Russian /Mixed way of solving the main problem of internal balistics. 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. SKU9260676