1. Asay , B. W. ( 1982 ). Effects of coal type and moisture content on coal burnout and nitrogenous pollutant formation . Ph.D. Dissertation, Brigham Young University , Provo , Utah .
2. Beér , J. M. and Chigiér , N. A. ( 1972 ). Combastion Aerodynamics . Applied Science Publishers Inc.
3. Brown , R. A. , Chigiér , N. A. , Mason , H. B. , Pershing , D. W. and Wendt , J. O. L. ( March 1977 . ). Investigation of first and second stage variables on control of NOxemissions in a pulverized coal furnace, 83rd National Meeting AICHE . Houston , Texas .