Radionavigat︠s︡ionnye sistemy sverkhdlinnovolnovogo diapazona /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Oli︠a︡ni︠u︡k, P. V.(Petr Vasilʹevich)
Golovushkin, G. V.(Gennadiĭ Vasilʹevich)
Boloshin, S. B.(Sergeĭ Borisovich)
Moskva : "Radio i svi︠a︡zʹ",
1985.
Bibliography: p. 256-[261]
John and Ljubica Erickson collection.
Omega Navigation System.
VLF emissions.