T︠S︡ifrovai︠a︡ peredacha signalov zvukovogo veshchanii︠a︡ /
Dvoret︠s︡kiĭ, I. M.(Isaak Markovich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Driat︠s︡kiĭ, I. N.(Igorʹ Nikolaevich)
Moskva : Radio i svi︠a︡zʹ,
1987.
Bibliography: p. 189-[192]
John and Ljubica Erickson collection.
Digital communications.