00874nam0-22002891i-450-99000837597040332120080711145233.00-419-11050-X000837597FED01000837597(Aleph)000837597FED0100083759720060913d1977----km-y0itay0103----baeng<<The>> control of noise in ventilation systemsa designers' guideM.A. Iqbal, T.K. Willson, R.J. Thomas1LondonWoodcote Publications Limited1977Iqbal,M. A.501205Willson,T. K.309603Thomas,Robert John430382ITUNINARICAUNIMARCBK99000837597040332100 D2372580DETECDETECControl of noise in ventilation systems723369UNINA