Oivind Birkeland
- Les pertes d'énergie par ponts thermiques. In: Bâtiment International / Building Research and Practice, v. 7, n. 5 (September 1979). (1979):
- Energy losses through thermal bridges. In: Bâtiment International / Building Research and Practice, v. 7, n. 5 (September 1979). (1979):