1. Donkin, D. J. (1995).Some Aspects of Cold Storage of ‘Fuerte’ Avocados (Persea americana Mill.)Grown in the Natal Midlands.M.Sc. Thesis. University of Natal, Pietermaritzburg, South Africa. 108 pp.
2. Leggett-Bailey, J. (1962).Techniques in Protein Chemistry.Elsevier Publishing Company, London, U.K. 310 pp.
3. Nilsen, E. T. and Orcutt, D. M. (1996).The Physiology of Plants Under Stress. Abiotic Factors.John Wiley and Sons Inc., New York, NY, USA. 689 pp.
4. Wills, R. B. H., McGlasson, W. B., Graham, D., Lee, T. H. and Hall, E. G. (1989).Postharvest: An Introduction to the Physiology and Handling of Fruit and Vegetables.BSP Professional Books, Oxford, UK. 174 pp.