References
- British Standards Institution (1938). Methods of Testing Small Clear Specimens of Timber. Publication, 373.
- Brister, G. H. (1960). A Study of Variations in Tracheid Length in Pinus radiata and Pinus patula Grown in Kenya. Deposited in the Imperial Forestry Institute Library, Oxford.
- Fry, G., and Chalk, L. (1957). Variations of Density in the Wood of Pinus patula Grown in Kenya. Forestry, 30, 29.
- Liang, Shih-Chen (1948). The Study of Wood Anatomy within the Genus Larix and the Influence of Internal and External Factors Thereon. Forestry, 22, 222.
- Marstrand, E. B. (1954). Relation between Increase in Girth of the Cambium and Fibre and Tracheid Length with special reference to Pterocarpus angolensis. Unpublished thesis. Imperial Forestry Institute, Oxford.
- Dinwoodie, J. M. (1961). Tracheid and Fibre Length in Timber—A Review of Literature. Forestry. 34, 125.