Raspredelenie i perekli︠u︡chenie vnimanii︠a︡ pri poletakh po priboram /
880-01Kachorovskiĭ, I. B.(Illʹi︠a︡ Borisovich)author.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
John and Ljubica Erickson collection.
Instrument flying.