1. BSI 1978 British Standard Methods for the Analysis of Oilseeds, Method BS 4289:3. British Standards Institution, London.
2. BSI 1989 British Standard Methods for the Analysis of Oilseeds, Method BS 4289:4. British Standards Institution, London.
3. IUPAC 1987 Standard Methods for the Analysis of Oils, Fats and Derivatives, Methods 2.201, 2.201, 2.205, International Union of Pure and Applied Chemistry. Blackwell Scientific Publications, London.
4. NRI 1988 Private communication. Dr S Handali, Indonesia, to Dr S Head, Natural Resources Institute, United Kingdom.
5. 1982 Biogeography and Ecology of New Guinea. Dr W Junk Publishers, The Hague, pp 402–436.