Sinkhronnye seti peredachi dannykh /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Shvart︠s︡man, V. O.(Vladimir Osipovich)
Moskva : "Radio i svi︠a︡zʹ",
1988.
Bibliography: p. 253-255.
John and Ljubica Erickson collection.
Data transmission systems.