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2. ?Biology and biochemistry of the microorganisms in activated sludge,? ScD Thesis, Mass. Inst. of Technol., 1951.
3. Proc. 18th Ind. Waste Conf., Purdue Univ., 562 (1963).
4. and Proc. 18th Ind. Waste Conf., Purdue Univ., 636 (1963).
5. Compartmentalization of Aeration Tanks