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- Philips Experimental House Research 1974ff: Passive versus Active Measures in Europe & America
- ====== Philips Experimental House Research 1974ff: Passive versus Active Measures in Europe & America ======... the Western World. The project and the following research were inspired by Scandinavian work on low energy ... the windows, which were not available, but under research and beginning development at that time – the hous... heating systems** so that corresponding internal research on small auxiliary heating devices was started. \