Ian C. Russell Precision Hydrographic Surveys in the North Sea — Location of Wrecks and Obstructions PDF (English)
A. Ulonska A More Accurate Hydrographic Survey — By Direct Measurement of Sound Velocity in the Sea PDF (English)
Paul J. Grim, George H. Keller, Robert J. Barday Computer Produced Profiles of Microtopography as a Supplement to Contour Maps PDF (English)
D. A. Greenberg, H. E. Sweers Possible Improvement to Matthews Tables in Areas of Canadian Data Holdings PDF (English)
L. N. Pascoe World Bathymetric Charts — On the requirement for a World Wide Bathymetric Chart on a scale larger than the General Bathymetric Chart of the Oceans (GEBCO) PDF (English)
