person: Ipke Wachsmuth address: AG WBS address: Technische Fakultaet address: Universitaet Bielefeld address: Universitaetsstrasse 25 address: D-33615 Bielefeld address: Germany room: M4-127 phone: +49 521 106 2924 fax-no: +49 521 106 2962 e-mail: ipke@techfak.uni-bielefeld.de office hours: MO 13-14 oder n.V. (nicht im August)