
- 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
pdf
- Author: Gamow George
- Language: Norwegian
- Year: 1966

- Author: Boys C. V.
- Language: Norwegian
- Year: 1963