1. Minutes of Cross-Canada Corn Committee Workshop, held in Chatham, Ontario,1982
2. Heat units for corn in Southern Ontario;Brown;Ontario Min. of Agric. and Food, Agdex 111/31,1975
3. The influence of date of sowing on development and yield of maize in England;Bunting;J. Agric. Sci. (Camb.),1968
4. Agronomic and physiological factors affecting forage maize production;Bunting,1978
5. Maize;Duncan,1975