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- [6] THE APPLICATION OF STABILIZATION PONDS IN THE PURIFICATION OF PULP AND PAPER MILL WASTES JOURNAL WATER POLLUTION CONTROL FEDERATION, 1963, 35 (09): : 1174 - 1180
- [8] WATER POLLUTION STUDIES IN THE RIVER OTRA, NORWAY - EFFECTS OF PULP AND PAPER MILL WASTES ON FISH AIR AND WATER POLLUTION, 1964, 8 (01): : 77 - 88
- [9] ACTIVATED-SLUDGE AND TRICKLING FILTER TREATMENT OF EFFLUENTS AT HALLSTA PAPER MILL SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1972, 75 (11): : 433 - &
- [10] TRICKLING FILTER TREATMENT OF WHEY WASTES JOURNAL WATER POLLUTION CONTROL FEDERATION, 1961, 33 (08): : 844 - 855