1. Cossins, E. A., and Turner, E. R., Nature, 183, 1599 (1959).
2. Cossins, E. A., Nature, 194, 1095 (1962).
3. Cossins, E. A., and Beevers, H., Plant Physiol., 37, LXI (1962, Suppl.).
4. Long, C., Biochemists' Handbook (E. and F. N. Spon, Ltd., London, 1961).