Black, John A. Water pollution technology/ John A. Black - Virginia: Peston Pub., c1977 - xii, 260 p.: ill.; 23 cm. Includes index ISBN: 0879098759 $ 14.95 Subjects--Topical Terms: Water--PollutionWater--Pollution--MeasurementSewage--PurificationWater quality management Dewey Class. No.: 628