1. Sol-gel processes
2. (a) in (Eds.): Better Ceramics Through Chemistry II, Mater. Res. Soc., Pittsburgh 1986, p.3.
3. (b) Better Ceramics Through Chemistry II, Mater. Res. Soc., p.27.
4. in (Eds.) Better Ceramics Through Chemistry III, Mater. Res. Soc., Pittsburgh 1988, p.1.
5. Better Ceramics Through Chemistry III, p.15.