1. Compilation of air pollutant emission factors;Duprey;Public Health Service Publication No. 99-AP-42,1968
2. Environmental assessment of stationary source NOx control technologies: First annual report;Waterland;EPA 600/7-78/046,1978
3. Control techniques for nitrogen oxides from stationary sources;U.S. Department of Health, Education, and Welfare, National Air Pollution Control Administration Publication No. AP-67,1970
4. Reduction of sulfur trioxide and nitrogen oxides by secondary fuel injection;Wendt,1973