Posledovatelʹnaia peredacha diskretnykh soobshcheniĭ po nepreryvnym kanalam s pami︠a︡tʹi︠u︡ /
Nikolaev, B. I.(Boris Ivanovich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Moskva : "Radio i sviazʹ",
1988.
John and Ljubica Erickson collection.
Data transmission systems.