International Symposium on Shipboard Acoustics 1976 : proceedings of the international symposium organized by the Technisch Pysische Dienst TNO-TH (Institute of Applied Physics), Delft, The Netherlands, on 6-10 September 1976 at Noordwijkerhout - Janssen, J. H. (Elsevier ; distributors for the United States and Canada, Elsevier North-Holland, 1977)