Letchiku o psikhologii /
Pokrovskiĭ, B. L.(Boris Leonidovich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Moskva : Voennoe izdatel'stvo,
1984.
John and Ljubica Erickson collection.
Aviation psychology.