Official language Official language of the symposium will be English. No translation facility will be available. Dates and venue The symposium will be held at the “Hotel Ottenstein” , A-3532 Rastenfeld, Ottenstein 1, from September 4th to 7th, 2005. The hotel is situated about 120 km from Vienna and 60 km from St. Pölten. Call for papers The participants are kindly invited to submit abstracts, no more than 300 words in English, written in "Mcrosoft Word" to the symposium secretariat by April 15, 2005. The authors will be informed by beginning of May about the acceptance of their papers for oral or poster presentation. Two copies of the paper (one hardcopy, one by e-mail) with no more than 8 DIN A4 pages. Detailed layout instructions for the final papers will be given in the second announcement. All accepted papers will be published in the symposium proceedings an will be available at the symposium. Deadline for submission of final papers: July 1, 2005. Registration fee 140.- Euro before July 1, 2005 160.- Euro after July 1, 2005 The price covers costs of registration fee, proceedings, refreshments during the conference and symposium dinner. Costs for accompanying person 60.- Euro before July 1, 2005 80.- Euro after July 1, 2005 The price covers costs of registration fee, refreshments during the conference and symposium dinner. Accommodation costs: in double room per person, 3 nights: 160.- Euro surcharge for a single room, 3 nights: 15.- Euro Prices include accomodation and all meals. For the purpose of registration and reservation of accommodation please contact the symposium secretariat.