00798nam0-22002891i-450-99000054154040332120141112135025.01 85166 528 5000054154FED01000054154(Aleph)000054154FED0100005415420020821d1991----km-y0itay50------baengy-------001yyUnderwater acoustic modelingprinciples, techniques and applicationsPaul C. EtterLondonElsevier199121 cm305 p.534'.23Etter,Paul C.8707ITUNINARICAUNIMARCBK99000054154040332105 AT A 15DININDININUnderwater acoustic modeling113203UNINA