References
- Cromer, D. A. N. and Pawsey, C. K. (1957). Initial spacing and growth of Pinus radiata. Forestry and Timber Bureau, Canberra, Bulletin No. 36.
- McArthur, R. S. (1952). Some observations on initial stand density and its influence on the growth increment and timber quality of Pinus radiata. N.Z. J. For.: 6, 342.
- Hummel, F. C. Forestry Commission, Gt. Britain.