D. W. Haslam, F. A. Pielou Present State of Hydrographic Surveying of the North Sea and English Channel PDF
Georges Nard Spread Spectrum Concept Applied in New Accurate Medium-Long Range Radiopositioning System PDF
James R. McCullough, Barry J. Irwin, Robert M. Bowles Loran-C Latitude-Longitude Conversion at Sea : Programming Considerations PDF