1. OMAF, Ontario Ministry of Agriculture and Food.Guide to Weed Control; Pesticide Section, Hazardous Contaminants Coordination Branch, Legislative Buildings, Toronto, Ontario M7A 1B6, Report No. 89-08; 1990; 40p.
2. WSSA.Herbicide Handbook; Weed Science Society of America, Herbicide Handbook Committee, Champaign, IL, 1989.