1. Prediction of the amount of methane produced by ruminants;Blaxter;Br. J. Nutr.,1965
2. Forage fibre analysis;Goering;USDA, ARS Agricutural Handbook,1970
3. The analysis of agricultural materials;MAFF,1981
4. The composition and nutritional value of some tropical and sub-tropical by-products;Morgan,1980
5. Evaluation in vitro of spent coffee grounds as a livestock feed;Sikka;Agric. Wastes,1985