1. 1980 Analysis of human serum and plasma using the LKB 4400 amino acid analyser. Technical leaflet PCN 12. LKB Instruments Ltd, Croydon, Surrey, UK.
2. The contribution of wild plants to human nutrition in the Ferlo (Northern Senegal)
3. 1974 In: Methods of Enzymatic Analysis (2nd edn) Vol 3, ed Verlag Chemie, Weinheim/Academic Press, New York, pp 1176–1179.
4. 1989 Famine that Kills. Darfur, Sudan, 1984–85. Clarendon Press, Oxford.
5. Biochemical and microbiological studies on kawal, a meat substitute derived by fermentation of cassia obtusifolia leaves