OPENING Introductory address by Mr. G. M. V. ~ AARIENNE, Minister of Economic Affairs of 3 the Netherlands Opening address by Dr. A. STRUB, Corrmission of the European Communi ties, 6 Brussels KEYNOTE SPEECHES Building physics: indispensability or a vogue discipline? A. C. VERHOEVEN, Delft University of Technology, Department Civil Engineering, Delft 13 The problem of the transfer of the results of research and innovatioos into the sector of energy conservation G. ELIAS, Faculty of Engineering, University of Palermo 16 The low energy hospital H. CDJIX>lAN, Department of Health arrl Social...