1. Laboratory for High Performance Ceramics; Empa; Swiss Federal Laboratories for Materials Science and Technology; CH-8600; Dübendorf; Switzerland
2. OERTLI Werkzeuge AG; CH-8181; Höri; Switzerland
3. Institute of Ceramic, Glass and Construction Materials; Technische Universität Bergakademie Freiberg; D-09599; Freiberg; Germany