Letnye prochnostnye ispytanii︠a︡ vertoletov /
Mikheev, R. A.(Rotislav Aleksandrovich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Losev, V. S.(Viktor Semenovich)
Bubnov, A. V.(Aleksandr Vladimirovich)
Moskva : Mashinostroenie,
1987.
Bibliography.
John and Ljubica Erickson collection.
Helicopters