
The aurorae
1951

A collection of articles on cosmic geophysics dedicated to the memory of professor L. Harang on the seventieth anniversary of his birth, 19 April 1972
1972
Determination of drift movements of the ionosphere at high latitudes from radio star scintillations
1961
Forelesninger i jonosfaerefysikk
1967
Experimental studies on the reflection of radio waves from the ionized regions
1942
Drift measurements of the E-layer
1956
Drift measurements of the E-layer at Kjeller and Tromsø during the International Geophysical Year 1957-58
1960