Droste, Ronald L. Theory and practice of water and wastewater treatment / Ronald L. Droste. - xiv, 800p. ; 24 cm. Includes index. ISBN: 0471124443 Subjects--Topical Terms: Engineering Index Terms--Genre/Form: Water purification.Water quality.Sewage.Wastewater treatment. Dewey Class. No.: 628.162 / D787