1. An introduction to Genstat;Alvey,1982
2. Digestion and metabolism in the grazing ruminant;Beever,1986
3. Feeding maize silage to grazing cows;Bruins,1988
4. The effects of Intraruminal Infusions of Urea on the Voluntary Intake and Milk Production of Cows Receiving Grass Silage Diets;Choung;J. Dairy Res.,1990
5. Short table on feeding standards for farm animals and nutritive value of feedstuffs;CVB,1979