1. The nutrient requirements of ruminant livestock;Agricultural Research Council,1980
2. Extension of feed analyses and computer services to farm managers;Alderman,1977
3. Voluntary feed intake;Bines,1979
4. TELPLAN—A co-operative extension service time-sharing computer network;Black,1977
5. Computer software for farm management extension;Candler;Am. J. Agric. Econ.,1970