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Michels, C. J. / Water Environment Federation | British Library Conference Proceedings | 1996

Treatment of restaurant wastewater using a recirculating sand filter

Jacobson, N. L. / Water Environment Federation | British Library Conference Proceedings | 1995

Winter operation and performance of a recirculating sand filter

Owen, J. E. / Bobb, K. L. / Water Environment Federation | British Library Conference Proceedings | 1994