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020			_c50
040			_aMAIN
041			_aEnglish
082			_a621.3822 _bPAG
100			_aPage, H.
245		0	_aPrinciples of aerial design
260			_aLondon _b; D.Van Nostrand _c, 1966
300			_a172p.
650			_aAerial Design
650			_aCommunication Engineering
650			_aEngineering
942			_cBK
999			_c114360 _d114360