1. PERRING, M. A., and JACKSON, C. H. (In press). The mineral composition of apples. Calcium concentration and bitter pit in relation to mean mass per apple.J. Sci. Fd Agric.
2. PERRING, M. A., and SHARPLES, R.O.(1975). The mineral composition of apples. Composition in relation to disorders of fruit imported from the Southern Hemisphere.J. Sci. Fd Agric.,26.
3. TILLER, L. W., ROBERTS, H. S., and BOLLARD, E. G. (1959). The Appleby experiments. N.Z. Department of Scientific and Industrial Research Bulletin 129.
4. WILKINSON, B. G. (1966). The effect of orchard factors on the storage behaviour of Cox’s Orange Pippin apples.Rep. Ditton Laboratory for 1965–66, 23–4.
5. WILKINSON, B. G., and PERRING, M. A. (1967). The effect of orchard factors on the storage behaviour of Cox’s Orange Pippin apples.Rep. Ditton Laboratory for 1966–67, 28.