The Proceedings of the Kellogg Foundation Second International Food Research Symposium held at University College, Cork, Republic of Ireland, 16-18 September 1985
(1986)
A comprehensive and authoritative guide to the indigenous succulents of South Africa, Botswana, South-West Africa (Namibia, Angola, Zambia, Zimbabwe) Rhodesia & Mozambique incorporating the latest research and changes in nomenclature
(1981)
