1. McCARTHY, G. J., GLASSER, F. P., ROY, D. M. & DIAMOND, S. (ed.), Flyash and Coal Conversion By-products, Characterisation utilisation and disposal—III. Materials Research Society Proceedings, Vol. 86, MRS publication, 1987.
2. SATAPATHY, L. N., Wealth from Waste, PGDEE Thesis, Indian Institute of Ecology & Environment, New Delhi, 1996.
3. STEVENS, R., An Introduction to Zirconia. Magnesium Elektron Ltd, UK publication, 1986.
4. HEUER, A. A. & HOBBS, L. W., Advances in Ceramics, Vol. 3, Science and Technology of Zirconia. American Ceramics Society, Columbus, OH, 1981.
5. CLAUSSEN, N., RUHLE, M. & HEUER, A. H., Advances in Ceramics, Vol. 12, Science and Technology of Zirconia. American Ceramic Society, Columbus, OH, 1983.