1. Krishnaswamy, S.India's Mineral Resources, p. 470, 2nd edn, Oxford and IBH Publishing Co, New Delhi (1979).
2. Guha, S. K.Ceramic Raw Materials of India—A Directory, p. 111, Indian Institute of Ceramics, Calcutta (1982).
3. Indian Mineral Year Book, 1980, Table No. 16, p. 2.50.14, Indian Bureau of Mines, Nagpur.
4. Maiti, K. N., Prasad, C. S. and Bandyopadhyay, S. “Investigation on the development of low maturing white stoneware body—Part II: Batch formulations incorporating non-conventional raw materials,” a paper presented at the 50th Annual Session of the Indian Ceramic Society, Calcutta, Feb. 7–9 (1986).