Handbook of water purification / Walter Lorch [editor]. Lorch, Walter. Water Purification. TD430 .H22 1987 628.162 19 LOH Includes bibliographical references and index. Chichester, West Sussex, England : Ellis Horwood ; New York : Halsted Press, 1987. 1987. 1987 Text 777 p. : eng Ellis Horwood series in water and wastewater technology Ellis Horwood series, water and wastewater technology.