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2. A Building Revolution: How Ecology and Health Concerns are Transforming Construction;Roodman,1995
3. W. Feist, What is a Passive House? Passive House Institute, Darmstadt. Available from: http://www.passiv.de/07_eng/index_e.html.
4. Residential Energy Consumption Servey (RECS);US DOE EIA,2005
5. The missing link for low exergy buildings: low temperature-lift, ultra-high COP heat pumps;Meggers,2010