1. The influence of diet on the nitrogenous components passing to the duodenum and through the lower ileum of sheep;Clarke,1966
2. Particulate rumen turnover rate measurement as influenced by density of passage marker;Ehle;J. Dairy Sci.,1984
3. The use of markers to partition digestion within the gastro-intestinal tract of ruminants;Faichney,1975
4. Relations between digestibility and composition of feeds and foods;Lucas,1961
5. Stochastic elements in biological models; their sources and significance;Lucas,1964