Spravochnik po radio-releĭnoĭ svi︠a︡zi /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Borodich, S. V.
Moskva : Radio i svi︠a︡zʹ,
1981.
Bibliography.
John and Ljubica Erickson collection.
Radio relay systems.