"Envelope 1/101 ; microfilm reel 047 ; Frames 1463 – 1476"@en . . . "Manfred von Ardenne was a German research and applied physicist and inventor . He worked in the Soviet Union on their atomic bomb project and was awarded a Stalin Prize"@en . "Erwein von Aretin was Bavarian journalist"@en . "Ardenne Manfred, 1907-1997"@en . "7 newspaper clippings"@en . . . . "[7] p."@en . "990002139040304146"^^ . . .