P. O. Fagerholm Concerning the Margins Between the Draughts of Ships and the Depths of Fairways PDF (English)
Narrow-Beam Transducer Sounding System — Yields Excellent Results in Operation Aboard USC & GS Ship "Surveyor" PDF (English)
Eugene L. Bialek Errors in the Determination of Depth by Pressure Gauges Utilizing a Linear Pressure-Depth Relationship PDF (English)
A. Dos Santos Franco The Semi-Graphic Method of Analysis for 7 Days of Tidal Observations PDF (English)