00774nam0-22002651i-450-99000789678040332120040616114328.00-412-12550-1000789678FED01000789678(Aleph)000789678FED0100078967820040616d--------km-y0itay50------baengAcoustics 1974The Invited Lectures presented at the Eighth International Congress on Acoustics, London 1974R.W.B. Stephens1LondonChapman and Hall1975Stephens,R.W.B.13225ITUNINARICAUNIMARCBK99000789678040332100 D2452584DETECDETECAcoustics 1974667853UNINA