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- [8] 1980 INSTITUTE OF WATER-POLLUTION CONTROL CONFERENCE AND WATER-POLLUTION CONTROL EXHIBITION - A REVIEW EFFLUENT & WATER TREATMENT JOURNAL, 1980, 20 (10): : 494 - &
- [10] WATER-POLLUTION CONTROL IN JAPAN JOURNAL WATER POLLUTION CONTROL FEDERATION, 1980, 52 (05): : 850 - 861