00655cam a22002172a 450000100070000000500170000700800410002401900130006503500210007803500110009904000180011004200090012810000350013724500480017226000290022030000260024950200520027553300700032763000190039798400210041615907420180908033126.0000127s1974 xna a 000 0 eng d1 a21288740 9(AuCNLDY)2867369 a159074 aANLbengcANL aanuc1 aBourke, William Laurence John.10aAirport noise and its controlh[microform]. aSydney :b[s.n.],c1974. a220 leaves :bdiagrs. aThesis (M.Eng.Sc.)--University of Sydney, 1975. aMicrofilm.bSydney :cSydney University Photography Dept.,d1975.00aAirport noise. aANLcmfm G18,842