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- [7] WATER-QUALITY CRITERIA - INDUSTRYS STAKE IN WATER MARKET - INTRODUCTION JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1975, 67 (02): : 57 - 58
- [9] SPECIAL ISSUE - TILLAGE AND SUBSURFACE WATER-QUALITY - INTRODUCTION SOIL & TILLAGE RESEARCH, 1994, 30 (01): : 1 - 2
- [10] STATUTORY WATER-QUALITY OBJECTIVES AND RIVER WATER-QUALITY JOURNAL OF THE INSTITUTION OF WATER AND ENVIRONMENTAL MANAGEMENT, 1993, 7 (05): : 556 - 563