In Russian. Tikhomirov, Dmitry Leonidovich. Communication Efficiency and Non-Information Signal Parameters. Moscow: Communication, 1975. Effektivnost' svyazi i neinformatsionnye parametry signalov. In Russian /Communications Efficiency and Non-Information Signal Parameters. 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. SKU6978907