Patwardhan, A.D. Industrial waste water treatment / A.D. Patwardhan. - New Delhi : PHI Learning, 2013. Includes references & index. ISBN: 9788120333505 (pbk.) LCCN: 86006486 Subjects--Topical Terms: Factory and trade waste--Purification.Sewage disposal. LC Class. No.: TD769 / .S77 1986 Dewey Class. No.: 628.3 / PAT