Science without boundaries / Willy Østreng. Lanham [etc.], cop. 2010 - VIAF - NSK
- https://viaf.org/processed/NSK%7C000562618, 2022-04-29
Information trouvée : Østreng, Willy
The Antarctic treaty system in world politics / ed. by Arnfinn Jørgensen-Dahl and
Willy Østreng, 1991