1. Bingham SA (1987): The dietary assessment of individuals; methods, accuracy, new techniques and recommendations. Nutr. Abstr. Rev. 57, 705–742.
2. Black AE, Cole TJ, Wiles SJ & White F (1983): Daily variation in food intake of infants from 2 to 18 months. Hum. Nutr. Appl. Nutr. 37A, 448–458.
3. Davies PSW, Coward WA, Gregory J, White A & Mills A (1994): Total energy expenditure and energy intake in the pre-school child: a comparison. Br. J. Nutr. 72, 13–20.
4. Freeman JV, Cole TJ, Chinn S, Jones PRM & Preece MA (1995): Cross-sectional stature and weight reference curves for the UK, 1990. Arch. Dis. Child. 73, 17–24.
5. Holland B, Welch AA, Unwin ID, Buss DH, Paul AA & Southgate DAT (1991): McCance and Widdowson's The Composition of Foods, 5th Edition. London: Her Majesty's Stationery Office.