Menachem Dishon, Bruce C. Heezen Digital Deep-Sea Sounding Library — Description and Index List PDF (English)
T. D. Allan, A. Johansen, C. Montanari Automatic Recording and Processing of Marine Geophysical Data PDF (English)
E. Fichera Campaign for Determining the Longitude of the Fundamental Point of the Astronomic Observatory in Naples — III. The Equation for Longitude PDF (English)
