Skelly J. D. Water Treatment / - London : IMarEST , 1976, Reprinted 2009 - 70p. : ill. , charts ; 22 cm. - Marine Engineering Practice Series . Includes Index. ISBN: 9780900976667 Rs .1016.00 Subjects--Topical Terms: Marine Engineering--Textbooks. Dewey Class. No.: 623.854 / Sk262