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1Published 1980Subjects: “...Sewage Purification Japan Congresses....”
Government Document Conference Proceeding Book -
2Published 1979Subjects: “...Sewage Purification Oxidation Congresses....”
Government Document Conference Proceeding Book -
3by Brandon, J. R. (Jerome R.)Subjects: “...Sewage Purification Activated sludge process....”
Published 1978
Government Document Conference Proceeding Book