1. Ceramics Via Polymer Pyrolysisdagger
2. Synthetic routes to boron nitride
3. Gmelin Handbuch der Anorganische Chemie, Boron Compounds, Springer-Verlag, Berlin, 1983, 2nd Supplement, Vol. 1.
4. Gmelin Handbuch der Anorganische Chemie, Boron Compounds, Springer-Verlag, Berlin, 1988, 3rd Supplement, Vol. 3, and references therein.
5. and Inorganic Fibres and Composite Materials: A Survey of Recent Developments, Pergamon, New York, 1984, p. 54, and references therein.