1. Chao, J., Newsom, A.E., Wainwright, I.M. & Mathews, R.A. (1979) J. Soc. Cosmet. Chem. 30, 401–413
2. Frenkel, M.J., Gillespie, J.M. & Reis, P.J. (1974) Aust. J. Biol. Sci. 27, 31–38
3. Frenkel, M J., Gillespie, J.M. & Reis, P.J. (1975) Aust. J. Biol. Sci. 28, 331–338
4. Gillespie, J.M. (1983) in Biochemistry and Physiology of the Skin (Goldsmith, L.A., ed.), pp. 475–510, Oxford University Press, New York
5. Gillespie, J.M. & Frenkel, MJ. (1974) Comp. Biochem. Physiol. 47B, 339–346