1. Abstracts. 1985. International Symposium on Acid Precipitation. Ontario Ministry of the Environment, Ontario, Canada, 425 pp.
2. Alberta Department of the Environment, Edmonton. 1978, 1979, 1980, 1981, and 1982. Precipitation quality data summaries.
3. Alberta Department of the Environment, Edmonton. 1982. Industrial sulphur emissions for Alberta 1977–1981. Prepared by the Alberta Department of the environment, Pollution Control Division, 32 pp.
4. Alberta Department of the Environment, Edmonton. 1984. Industrial sulphur emissions for Alberta 1981–84. (In press.)
5. Alberta Department of the Environment. 1985. Nitrogen oxides emissions for Alberta 1978 to 1982. Edmonton (in press).