Dear Madam/Sir Attached you can find the flyer on the Building Physics symposium our lab is organising in honour of prof. Hugo Hens next October. May we ask you to print it and distribute it within your department/faculty/institute/university. Many thanks and kind regards For the organizing committee Greet Bruggemans Secr. Bouwfysica/Building Physics Kasteelpark Arenberg 40 - bus 2447 tel +32-(0)16-32 13 44 fax +32-(0)16-32 19 80 ma/Mo 8.30-17.30, di-wo-do/Tue-Wedn-Thurs 8.30-12.30