- Author: Brinkmann Johannes
- Language: Norwegian
- Year: 1980
- Author: Øivind Dokken et al
- Language: Norwegian
- Year: 1999
- Author: Gardner Martin
- Language: Norwegian
- Year: 1964
- Author: Weisskopf Victor F.
- Language: Norwegian
- Year: 1964
- Author: Niven Ivan
- Language: Norwegian
- Year: 1967
- Author: MacDonald D.K.C.
- Language: Norwegian
- Year: 1965
- Author: Gunnar Randers Jan M. Døderlein
- Language: Norwegian
- Year: 1968
- Author: Donald G. Fink David M. Lutyens
- Language: Norwegian
- Year: 1963
Gravitasjon
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- Author: Gamow George
- Language: Norwegian
- Year: 1966
- Author: Boys C. V.
- Language: Norwegian
- Year: 1963