1. Raghavan, V., and Baruah, H. K., Econ Bot.12 (1958) 315.
2. Arjungi, V. K. N., Arzneim.-Forsch. (Drug Res.)26 (1976) 951.
3. Sharma, H. S. S., Gilmore, C., and Sharma, H. B., Mycol. Res.95 (1991) 747.
4. Kiuchi, F., Miyashita, N., Tsuda, Y., Kondo, K., and Yoshimura, H., Chem. pharm Bull.35 (1987) 2880.
5. Xie, Z., Zhao, Z., and Huang, Y., Medicinal Plants in China. A Selection of 150 Commonly Used Species. World Health Organisation, Regional Office for the Western Pacific, Manila 1989.