1. Fluorosis in Cattle. II. Development and Alleviation: Experimental Studies. Ministry of Agriculture, Fisheries and Food, Animal Disease Surveys Report 2, Part III;ALLCROFT,1965
2. ASC (1979). Environmental Effects of Emissions from the Alcan Smelter at Kittimat, BC. Report of the Alcan Surveillance Committee. Ministry of the Environment, Province of British Columbia, Canada
3. Influence of Wind Speed on the Sensitivity of Ryegrass to SO2
4. Responses of Plants to Air Pollution;BENNETT,1975