1. Barnes, M. F. (1976).New Zealand J. Agric. Res. 19, 537 - 541.
2. Butt, A. M., Ahmad, S. U. and Shah, F. H. (1972).Pakistan J. Sci. Ind. Res. 15, 208 - 210.
3. Festenstein, G. N. (1972).J. Sci. Fd. Agric. 23, 1409 - 1415.
4. Pirie, N. W. (ed.) (1971).Leaf Protein (IBP Handbook 20) Oxford: Blackwell.
5. White, J. (1975).Process Biochem. 1975(4), 24 ? 27;cf. idem. U. K. patent 1, 248, 571.