1. Adas(1978 ) Catch crops . Agricultural Development and Advisory Service, Ministry of Agriculture, Fisheries and Food, Leaflet No. AG21, revised1978 , 14 pp.
2. A.J. Corrall, A.J. Heard, J.S. Fenlon, C.P. Terry, and G.C. Lewis(1977 ) Whole crop forages . Technical Report, Grassland Research Institute, Hurley. No. 22 , 22 pp.
3. M.J. Furber(1978 ) Catch crops for autumn and winter use . In: Winter Feed for Livestock. Proceedings of the 15th NIAB Crop Conference, Dec. 1978 National Institute for Agricultural Botany, Cambridge, pp.31 -42 .