References
- May, W. B. (1961). A Technique for Grafting Conifers in the Field in East Africa. E. Afr. agric. for. J., 27, p. 20.
- Dyson, W, G. (1965). East African Agriculture and Forestry Research Organization. Record of Research. Annual Report, 1964, p. 119.
- Garner, R. J. The Grafter's Handbook, Revised Edition, 1958. Faber and Faber Ltd.