• Bednar, T. W. & Smith, D. C. (1966). Studies in the physiology of lichens. VI. Preliminary studies of photosynthesis and carbohydrate metabolism in the lichen Xanthoria aureola. New Phytol., 65, 211.
  • Britton, H. G. (1959). The detection of carbohydrates with silver in the presence of borate. Biochem. J., 73, 19 p.
  • Drew, E. A. (1966). Some aspects of the carbohydrate metabolism of lichens. D.Phil. thesis, University of Oxford.
  • Drew, E. A. & Smith, D. C. (1967). Studies in tbe physiology of lichens. VIII. Movement of glucose from alga to fungus during photosynthesis m the thallus of Peltigera polydactyla. New Phytol., 65, 389.
  • Frahn, J. L. & Mills, J. A. (1959). Paper ionophoresis of carbohydrates, I. Procedures and results for four electrolytes. Aust. J. Chem., 12, 65.
  • Lindberg, B., Misiorny, A. & Wachmeister, C. A. (1953) Studies in the chemistry of lichens. IV. Investigation of the low-molecular weight carbohydrate constituents of different lichens. Acta chem. scand., 7, 591.
  • Rees, W. R. & Reynolds, T. (1958). A solvent for the paper chromatographic separation of glucose and sorbitol. Nature. Loud., 181, 767.
  • Richardson, D. H. S. & Smith, D. C. (1966). The physiology of the symbiosis in Xanthoria aureola. Lichenologist, 3, 202.
  • Richardson, D. H. S. & Smith, D. C. (1968). Lichen physiology. X. The isolated algal and fungal symbionts of Xanthoria aureola. New Phytol., 67, 69.
  • Richardson, D. H. S., Smith, D. C. & Lewis, D. H. (1967). Carbohydrate movement between the symbionts of lichens. Nature. Lond., 214, 879.
  • Smith, I. (Ed.) (1960). Chromatographic and Electrophoretic Techniques. Vol. I. Chromatography. London .
  • Trevelyan, W. E., Procter, R. D. P. & Harrison, J. S. (1950). Detection of sugars on paper chromatogranis. Nature. Lond., 166, 444.