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3. Hahn, H. H.: “Sedimentation and Flotation : Present Status and Necessary Development,” Water Supply, 9, 111–122 (1986)
4. Kagakukogakukai ed.; Kagakukogaku Binran, 6th ed., p. 795, Maruzen, Tokyo, Japan (1999)
5. Separation of oil dispersions from water by fibrous bed coalescence