Kommutat︠s︡ionnye ustroĭstva radioėlektronnoĭ apparatury /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Rybin, G. I︠A︡.(Georgiĭ I︠A︡kovlevich)
Moskva : "Radio i svi︠a︡zʹ",
1985.
Bibliography: p. 260-[262]
John and Ljubica Erickson collection.
Radio
Electronic circuits.
Switching circuits.