1. Council of Scientific and Industrial Research, New Delhi“Wealth of India” (Raw Materials), 1952,3, 81.
2. Kirtikar, K. R. and Basu, B. D. “Indian Medicinal Plants,” Vol.2, Ind. Edn., 1933, p. 1505, (Lalit Mohan Basu, 49 Leader Road, Allababad).
3. Chopra, R. N., Nayar, S. L. and Chopra, I. C. “Glossary of Indian Medicinal Plants” (Council of Scientific and Industrial Research, New Delhi), 1956, p. 98.
4. Row, L. R.,et al...Ind. J. Appl. Chem., 1963,26, 28.
5. Sherrard, E. C. and Kurth, E. F.Ind. Eng. Chem., 1928,20, 722.