1. Supplement 1 to the place-names of Svalbard;Orvin;Norsk Polarinstitutt Skrifter,1958
2. The place-names of Svalbard;Orvin;Skrifter om Svalbard og Iskavet,1942
3. Seismic investigations on the Nordaustlandet ice caps;Ekman;Geografiska Annaler,1971
4. Airborne radio echo sounding of glaciers in Svalbard
5. Dowdeswell J. A. 1984. Remote sensing studies of Svalbard glaciers. PhD thesis, University of Cambridge.