1. and Plant Physiology, Wadsworth, Belmont 1985.
2. in: and (Eds.), Handbook of Plant Cell Culture, McMillan, New York 1983, Vol. 1, pp. 1-10.
3. Plant tissue culture: A history
4. and in: and (Eds.), Handbook of Plant Cell Culture, McMillan, New York 1983, Vol. 3, pp. 47-68.
5. in: (Ed.) Biotechnology for Higher, Plants Intercept Wimborne, Dorset 1988, pp. 33-79.