1. The Heat Increment of Steam-Volatile Fatty Acids in Fasting Sheep;Armstrong;Brit. J. Nutrition,1957
2. The Heat Increments of Mixtures of Steam-Volatile Fatty Acids in Fasting Sheep;Armstrong;Brit. J. Nutrition,1957
3. Association of Official Agricultural Chemists. Official Methods of Analysis. 9th ed. Washington, D. C. 1960.
4. The Energy Metabolism of Ruminants;Blaxter,1962
5. On Simple Formulae for Calculating the Heat Expenditure and the Quantities of Carbohydrate and Fat Metabolized in Ruminants, from Data on Gaseous Exchange and Urine-N;Brouwer,1958