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2. Trends and projections in precursor pollutant emissions in Canada and the United States—a comprehensive summary;Choquette,1980
3. Steam-electric plant air and water quality control data;Federal Energy Regulatory Commission (FERC),1974
4. Steam-electric plant air and water quality control data;Federal Power Commission (FPC),1969
5. Guide for Compiling a Comprehensive Emissions Inventory,1974