1. Advanced Ceramics; University of Bremen; Am Biologischen Garten 2 28359 Bremen Germany
2. Walter E.C. Pritzkow Spezialkeramik; Adam-Opel-Str. 6 70794 Filderstadt Germany
3. Ceramic Composite Structures; Institute of Structures and Design; German Aerospace Center Stuttgart Germany
4. Institute of Materials Research; German Aerospace Center; Cologne Germany
5. EADS Deutschland GmbH/Airbus Group Innovations; Munich Germany