کتاب های N.s. Kjørsvik
Gravity, Geoid and Earth Observation: IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 2008
Ch. Gerlach, R. Dorobantu, Ch. Ackermann, N.S. Kjørsvik, G. Boedecker (auth.), Stelios P. Mertikas (eds.), 2010
