Trivedy, R. K. Low cost wastewater treatment technologies / R. K. Trivedy and Siddharth Kaul. - Jaipur, India : ABD Publishers, 2001. - 183 pages ; 23 cm. ISBN: 8185771251 Subjects--Topical Terms: Water--Purification--Technological innovations. Dewey Class. No.: 628.162 TRI