1. Annex 49, Energy Conservation in Buildings and Community Systems—Low Exergy Systems for High Performance Buildings and Communities, homepage: http://www.annex49.com, 2007.
2. Annex 37, Energy Conservation in Buildings and Community Systems – Low Exergy Systems for Heating and Cooling of Buildings, homepage: http://virtual.vtt.fi/annex37/, 2006.
3. M. Ala-Juusela (Ed.), Heating and Cooling with Focus on Increased Energy Efficiency and Improved Comfort. Guidebook to IEA ECBCS Annex 37. VTT Research notes 2256, VTT Building and Transport, Espoo, Finland, 2004.
4. Design of low exergy buildings—method and a pre-design tool;Schmidt;The International Journal of Low Energy and Sustainable Buildings,2004
5. Heating and cooling with advanced low exergy systems;Schmidt,2006