N. T. Petrovich

• Besedy ob izobretatelʹstve
• Kosmicheskai͡a︡ radiosvi͡a︡zʹ
• Problems of space radio communication
• Putʹ k izobretenii͡u︡
• Sistemy svi͡a︡zi i shumopodobnymi signalami
• Veter s Enisei︠a︡
• Who are you?