1. Biale, J. B. and Young, R. E. (1981). Respiration and ripening in fruits – retrospect and prospect. In:Recent advances in the biochemistry of fruits and vegetables, (Friend, J. and Rhodes, M. J. C., Eds), 1–39.
2. Cutting, J. G. M. (1984).Optimization, validation and application of radioimmunoassays for plant growth substances in avocado(Persea americanaMill.) fruits. PhD Thesis, University of Natal, Pietermaritzburg.
3. Goodwin, P. B. (1981). Phytohormones and fruit growth. In:Phytohormones and related compounds – a comprehensive treatise Vol II.(Letham, D. S., Goodwin, P. B. and Higgins, T. J., Eds). Elsevier North Holland Biomedical Press, Amsterdam.
4. Mayer, A. M. and Harel, E. (1981). Polyphenol oxidases in fruits – changes during ripening. In:Recent advances in the biochemistry of fruits and vegetables, (Friend, J. and Rhodes, M. J. C., Eds) Academic Press, London, 161–80.
5. Rhodes, M. J. C. (1981). The maturation and ripening of fruits. In:Senescence in plants(Thimann, K. V., Ed.) CRC Press, Boca Raton, 157–205.