1. ANG Coal Gasification Company, “A Wastewater Treatment System for a Lurgi Coal Gasification Plant.” (A report on the development of a wastewater treatment design for the Great Plains Gasification Plant in Mercer County, ND.). Prepared for the U. S. Department of Energy, February 15, 1982, DOE/RA/20225-T3.
2. , , , and , “Slagging Fixed-Bed Gasification of Lignite.” Proceedings of the Eleventh Biennial Lignite Symposium, June 15-17, 1981, GFETC/IC-82/1, pp. 627–67.
3. and , “Mechanical Problems in the Design of a Fixed-Bed Slagging Gasifier,” Presented at the 1983 Energy-Sources Technology Exhibition, American Society of Mechanical Engineers, January 30-February 2, 1983, Houston, Texas.
4. and , “Conclusion on Stagging Fixed-Bed Gasification of Lignite.” Twelfth Biennial Lignite Symposium Technology and the Use of Low Rank Coal: Proceedings. May 18-19, 1983, Grand Forks, ND, DEA4003070 DOE/METC/84-13, Volume 1.
5. , , , , , , , and “Use of Treated Gasifier Wastewater in a Pilot Cooling Tower,” May 1984, DOE/FE/60181-1602.