Tanaka, J. (2012). Japanese Tea Breeding History and the Future Perspective. In Global Tea Breeding (pp. 227–239). Berlin: Springer. doi: https://doi.org/10.1007/978-3-642-31878-8_6
Sōshitsu XV, S., & Morris, V. D. (1997). Tea in the Heian Era. In The Japanese Way of Tea : From Its Origins in China to Sen Rikyu (pp. 47–56). Honolulu: University of Hawaii Press. Retrieved from https://ebookcentral-proquest-com.ezproxy1.library.usyd.edu.au