1. Selected topics in satellite geo—dynamics;Aardoom,1979
2. Techniques of precise satellite positioning for geodesy and related applications;Aardoom,1979
3. Admiralty, 1965. Admiralty manual of tides. Her Majesty's Stationary Office, London, 270 pp
4. Alexander, L., 1980. Regional cooperation in marine science. IOC paper IOC/INF-407 Rev. Unesco, Paris, 239 pp