1. Abeles, F. B., Morgan, P. W. and Saltveit, M. E. (1992).Ethylene in plant biology.Academic Press, San Diego, USA.
2. Ben-Yehoshua, S. (1987). Transpiration, water stress, and gas exchange. In:Postharvest physiology of vegetables.(Weichman, J., Ed.). Marcel Dekker, New York, 113–70.
3. Dixon, J. (1993).Temperature and atmospheric composition influence on colour change of apples.Thesis, Massey University, New Zealand.
4. Hobson, G. E. (1981). Enzymes and texture changes during ripening. In:Recent advances in the biochemistry of fruits and vegetables.(Friend, J. and Rhodes, M. J. C., Eds). Academic Press, London, 121–32.
5. Kramer, P. J. (1983).Water relations of plants.Academic Press, New York.