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1Bokav Shapero, Albert“…United States. Office of the Director of Defense Research and Engineering…”
Publicerad 1965
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2Bokav Douglass, Joseph D.“…United States. Office of the Director of Defense Research and Engineering…”
Publicerad 1976
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3Regeringsdokument KonferenspublikationPublicerad 1964“…United States. Office of the Director of Defense Research and Engineering…”