00781nam0-22002771i-450-990000018980403321000001898FED01000001898(Aleph)000001898FED0100000189820011111d--------km-y0itay50------baitay-------001yyIntroduction to the theory of sound trasmissionwith application to the oceanC. B. Officer.New YorkMcGraw-Hill book company1958VIII, 284 p.ill.24 cmSuonoPropagazione534Officer,C. B.ITUNINARICAUNIMARCBK99000001898040332113 B 23 1723486FINBCFINBCUNINAING01