Robert F. A. Studds Shoran and the Electronic Position Indicator for the Control of Offshore Hydrographic Surveys PDF (English)
C. Chavanier Remarks concerning Matrices and Processes of Reproduction suited to Cartographic Activities of French Navy Hydrographic Office PDF (English)
P. Tardi Unification of Geodetic Grids of the World. — Application to General Problems of Navigation. — Discussion PDF (English)
William R. Griswold Loran Survey of Gulf Stream / Soundings obtained by H. M. S. « Challenger » in S. W. Pacific PDF (English)
The New British Surveying Ship H. M. S. « Vidal »/ Japanese Surveying Vessel « Daiyon Kaiyo-Maru » PDF (English)
