Gray, Nick F. Water science and technology :an introduction Nick F. Gray - 4th ed. - New York: CRC Press 2017. - xxiii, 680p. ISBN: 9781498753456 Subjects--Topical Terms: Water-supplyWater - PurificationWater-PollutionHydrologyAquatic ecology Dewey Class. No.: 628.1 / GRW