1. Total Energy Consumption for Municipal Wastewater Treatment, EPA-600/12-78-139, U. S. Environmental Protection Agency, Cincinnati, Ohio (1977).
2. Energy Requirements for Municipal Pollution Control Facilities, EPA-600/2-77-214, U. S. Environmental Protection Agency, Cincinnati, Ohio (1978).
3. “A Comparison of the Anaerobic Filter and the Anaerobic Expanded/Fluidized Bed Processes,” IAWPR Specialized Seminar, Anaerobic Treatment of Wastewater in Fixed Flim Reactors, Copenhagen, Denmark (June 16-18, 1982).
4. , and , Full Scale Anaerobic Filter Treats High Strength Wastes, Proceedings of the 34th Industrial Waste Conference, Purdue University (1979).