Mason, C. F. Biology of freshwater pollution / Christopher F. Mason. - 4th ed. - xii, 387 p. : ill., maps ; 25 cm. ISBN: 0130906395 (hbk) LCCN: 2001036566 Subjects--Topical Terms: Freshwater biology--Great BritainWater--Pollution--Great Britain LC Class. No.: QH137 / .M37 2002