References
- Bengtsson, B. (1968). Cultivation practices and the weed, pest and disease situation in some parts of the Chilalo awraia. Rep. Chilalo Agric. Dev. Unit, 1968.
- Bogdan, A. V. (1965). Weeds in Kenya wheat. Weed Res. 5, 351–352.
- Milne, J. A. (1969). Unpublished data.
- International Rules for Seed Testing (1966). Proc. Int. Seed Test. Ass. 31, 37–41.