University of Liege Dept. of Aerospace and Mechanical Engineering 1, Chemin des Chevreuils (B52) B-4000 Liege, BELGIUM E-mail: g.kerschen@ulg.ac.be Phone: +3243664852 Fax: +3243669505
Jacques Verly
University of Liege Dept. of Electrical Engineering and Computer Science Institut Montefiore (B28) B-4000 Liege, BELGIUM E-mail: jacques.verly@ulg.ac.be Phone: +3243664994 Fax: +3243662984