Sawyer, Clair N. Chemistry for sanitary engineers/ [by] Clair N. Sawyer [and] Perry L. McCarty. - New York, McGraw-Hill [1967, c1968] - xi, 518 p. index 23 cm. ISBN: 07-054970-2 Subjects--Topical Terms: Sanitary chemistry.;Sanitary engineering. Dewey Class. No.: 540 / SAW,1967