• Barley, K. P. (1970). The configuration of the root system in relation to nutrient uptake. Advances in Agronomy, 22, 159.
  • Bowen, G. D. (1973). Mineral nutrition of ectomycorrhizae. In: Ectomycorrhizae, Their Ecology and Physiology, (Ed. by G. D.Marks & T. T.Kozlowski), p. 151. Academic Press, London, New York .
  • Bowen, G. D. & Theodorou, C. (1967). Studies on phosphate uptake by mycorrhizas. Proceedings of the 4th I.U.F.R.O. Congress, Munich, 5, 116.
  • Cromer, D. A. N. (1935). The significance of the mycorrhiza of Pinus radiata. Bulletin of the Forestry Bureau of Australia, 16, 1.
  • Epstein, E. (1972). Ion absorption by roots; The role of micro-organisms. Nets Phytologist, 71, 873.
  • Goss, R. W. (1960). Mycorrhizae of ponderosa pine in Nebraska grassland soils. Nebraska Agricultural Experimental Station Research Bulletin, 192, 3.
  • Lobanow, N. W. (1960). Mykotrophie der Holzpflanzen. V.E.B. dt. Verlag Wiss., Berlin .
  • Mexal, J. & Reid, C. P. P. (1973). The growth of selected mycorrhizal fungi in response to induced water stress. Canadian Journal of Botany, 51, 1579.
  • Olsen, S. R., Kemper, W. D. & Van Schaik, J. C. (1965). Self-diffusion coefficients of phosphorus in soil measured by transient and steady-state methods. Proceedings of the Soil Science Society of America, 29, 154.
  • Reid, C. P. P., Bowen, G. D. & Mcleod, S. (1978). Phosphorus contamination in polyethylene glycol. Plant Physiology, 61, 708.
  • Resnik, M. E. (1970). Effect of mannitol and polyethylene glycol on phosphorus uptake by maize plants. Annals of Botany, 34, 497.
  • Resnik, M. E. & Flowers, T. J. (1971). The affect of low osmotic potential on phosphate uptake and metabolism by beetroot discs. Annals of Botany, 35, 1179.
  • Theodorou, C. (1978). Soil moisture and the mycorrhizal association of Pinus radiata D. Don. Soil Biology and Biochemistry, 10, 33.
  • Theodorou, C. & Bowen, G. D. (1970). Mycorrhizal responses of radiata pine in experiments with different fungi. Australian Forestry, 34, 183.