C. C. Lowry Starting up a Small Hydrographic Service: The Story of the New Zealand Surveying Service PDF (English)
Vicharn Desakorn Progress achieved by the Hydrographic Department of the Royal Thai Navy during the last five years (1952-1957) PDF (English)
Ian A. Miller Two-Range Decca installed on the Hydrographic Vessel « KAPUSKASING » (Canada): 1956 Season PDF (English)
Ir. W. Langeraar The Use of Decca as an Aid to the Hydrographic Survey of Netherlands New Guinea PDF (English)
H. Arnold Karo Sesquicentennial of Coast and Geodetic Survey - Symposium: I. — Development and Use of Photograimimetry in the Coast and Geodetic Survey PDF (English)
