In Russian. Surin, Nikolai Matveevich. Perforation machines for performing logical operations. Moscow: Statistics, 1971. Perforatsionnye avtomaty dlya vypolneniya logicheskikh operatsiy. In Russian /Perforation machines for performing logical operations . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7464090