Nadezhnostʹ i zhivuchestʹ sistem svi︠a︡zi /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Dudnik, B. I︠A︡.(Boris I︠A︡kovlevich)
Moskva : "Radio i svi︠a︡zʹ",
1984.
Includes bibliographical references.
John and Ljubica Erickson collection.
Telecommunication systems.