1. The Nutrient Requirements of Ruminant Livestock;ARC,1980
2. The effect of the dietary energy supply on growth;Blaxter,1968
3. The estimation of the nutritive value of feeds as energy sources for ruminants;Blaxter;Journal of Agricultural Science,1978
4. Nutrient Requirements of Domesticated Ruminants;CSIRO,2007
5. Energy transactions in the sheep;Marston;Australian Journal of Biological Sciences,1948