Zweig, Ronald D. Source water quality for aquaculture : a guide for assessment / Ronald D. Zweig, John D. Morton & Macol M. Stewart - Washington, D.C. : World Bank (WB) , 1999 - 61p. : ill. ; 29 cm. - WB Environmentally and Socially Sustainable Development . Includes bibliographical references. ISBN: 082134319X Subjects--Topical Terms: FishesWater quality Gov. Doc. Class. No.: UN WB ESSD Sou