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2. and in Proceedings of the 21st Intersociety Energy Conversion Engineering Conference (American Chemical Society, Washington, DC, 1986), pp. 205-211.
3. and in Water; (American Institute of Chemical Engineers, New York, 1974), Vol 70, p. 101.
4. and ?Biotreat: A Multi-Process Biological Treatment Model,? paper presented at the Annual Conference of the Water Pollution Control Federation, Denver, CO, 1982.