1. Wight, W., and Gilchrist, R. C. J. H., Rep. Tocklai Exp. Sta. 1959, 69 (1961).
2. Wight, W., World Crops, 8, (7), 263 (1956).
3. Wight, W., and Barua, P. K., Nature, 173, 630 (1954).
4. Wight, W., and Barua, D. N., Curr. Sci., 23, 78 (1954).
5. Monopolies and Restrictive Practices Commission, Rep. Supply of Tea (H.M.S.O.).