Signal : informat︠s︡ionno ili︠u︡strovano mesechno spisanie.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Bulgaria.Ministerstvo na otbranata.
John and Ljubica Erickson collection.
Issued by: Ministerstvo na otbranata.