1. and , “Analysis of Volatile Polar Organies in Untreated By-Product Waters from Coal Conversion Processes,” American Chemical Society, Division of Fuel Chemistry, 175th National Meeting Preprints, Vol. 23, No. 2, 134–143 (March, 1978).
2. Treatment of solvent-refined coal wastewater. A combination of unit operations has been found to be the best practical approach to the treatment of coal-conversion process wastewater
3. American Public Health Association, American Water Works Association, and Water Pollution Control Federation, “Standard Methods for the Examination of Water and Wastewater,” Fifteenth Edition, American Public Health Association, Washington, D. C. (1980).