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			Biological methods for the assessment of water quality a symposium presented at the Seventy-fifth Annual meeting [of] American Society for Testing and Materials eds. John Cairns, K. L. Dickson by CAIRNS, John; DICKSON, K. L [ ed.; ed.] Material type: Text Language: eng Publication details: Philadelphia ; American Society for Testing and Materials ; 1976 Availability: No items available. Place hold Log in to add tags Add to cart (remove)
			Biological monitoring of water and effluent quality [symposium] eds. John Cairns, K. L. Dickson by CAIRNS, John; DICKSON, K. L [ ed.; ed.] Material type: Text Language: eng Publication details: Philadelphia ; American Society for Testing and Materials ; 1977 Availability: No items available. Place hold Log in to add tags Add to cart (remove)

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