Waste Treatment : proceedings of the second Symposium on the Treatment of Waste Waters / Peter C. G. Isaac - Oxford : Pergamon, 1960. - ix, 477 p. : ill. ; 25 cm. Includes index Subjects--Topical Terms: Sewage--Purification--Biological treatment--Water--Purification Dewey Class. No.: 628.3 / WAS 1960