Guidelines and manual on the protection and rehabilitation of contaminated rivers / Economic and Social Commission for Asia and the Pacific. Stream restoration Handbooks, manuals, etc. Stream conservation Handbooks, manuals, etc. QH75 .G865 1999 551.483 21 UNG "ST/ESCAP/SER.F/78"--T.p. verso. "United Nations publication, Sales No. E.99.II.F.70"--T.p. verso. Includes bibliographical references. New York : United Nations, 1998, c1999. 1998, c1999. 1998 Text xiv, 279 : eng Water resources series, 0082-8130 ; no. 78 Water resources series (New York, N.Y.) ; no. 78.