Babbit, Harold E. Sewerage and sewage treatment / Harold E. Babbitt and E. Robert Baumann. - 8th ed. - New Delhi : Asia, c 1960. - viii, 790 p. : ill. ; 23 cm. Includes index. 315 315 Subjects--Topical Terms: Sewage disposal. Dewey Class. No.: 628.3 / B113s