References
- Wood , D. J. and Roberts , E. A. H. 1964 . J. Sci. Food Agric. , 15 : 19
- Eden , T. 1976 . “Tea” , London : Longmans .
- Sanderson , G. W. 1972 . “Structural and Functional Aspects of Phytochemistry” , Edited by: Run‐eckles , V. C. 247 New York : Academic Press .
- International Tea Committee . 1991 . “Annual Bulletin of Statistics” . London : Tea Brokers’ Publications .