Johnsen, K. (1979). Energy conservation in the built environment: International CIB symposium on energy conservation in the built environment 0002: session 0002: methods to improve the building envelope: proceedings : Köbenhavn, 28.05.79-01.06.79. Köbenhavn: Statens Hyggeforskningsinstitut.
Chicago Style CitationJohnsen, K. Energy Conservation in the Built Environment: International CIB Symposium On Energy Conservation in the Built Environment 0002: Session 0002: Methods to Improve the Building Envelope: Proceedings : Köbenhavn, 28.05.79-01.06.79. Köbenhavn: Statens Hyggeforskningsinstitut, 1979.
MLA CitationJohnsen, K. Energy Conservation in the Built Environment: International CIB Symposium On Energy Conservation in the Built Environment 0002: Session 0002: Methods to Improve the Building Envelope: Proceedings : Köbenhavn, 28.05.79-01.06.79. Köbenhavn: Statens Hyggeforskningsinstitut, 1979.