1. Relation between diet and protozoal population in the rumen
2. Manipulation of the Ruminal Fermentation. I. Effect of Sodium Sulfite on Bovine Ruminal Fatty Acid Concentration and Milk Composition
3. Cereal Processing and Digestion;Armstrong,1972
4. Council Armstrong, D.G. (1973). General meeting of the European Grassland Federation 5th, Uppsala, 12–15 June
5. Cereal Supply and Utilisation;Armstrong,1974