Współdziałanie /
Aponowicz, Antoni.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Warszawa : Ministerstwo Obrony Nadodowej,
1970.
Includes bibliography (p. 268-[271])
John and Ljubica Erickson collection.
Communication.