01621nam a2200361Ia 4500001001200000003000800012006001900020007001500039008004100054020001500095020003300110020004000143040002100183035002000204050002300224245016400247250001200411260004600423300003600469500018000505504005100685533015200736650003200888650004100920655002900961700002400990710001201014710003101026710004201057710001701099856012601116999001701242ebr10058089CaPaEBRm        u        cr cn|||||||||961112s1996    enka    sb    001 0 eng d  z0203476719  z0419215905 (acid-free paper)  z0419216006 (pbk. : acid-free paper)  aCaPaEBRcCaPaEBR  a(OCoLC)5271155714aTD367b.W38 1996eb00aWater quality assessmentsh[electronic resource] :ba guide to the use of biota, sediments, and water in environmental monitoring /cedited by Deborah Chapman.  a2nd ed.  aLondon ;aNew York :bE & FN Spon,c1996.  axxi, 626 p. :bill. (some col.)  a"Published on behalf of UNESCO, United Nations Educational, Scientific, and Cultural Organization, WHO, World Health Organization, UNEP, United Nations Environment Programme."  aIncludes bibliographical references and index.  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2009.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries. 0aWater qualityxMeasurement. 0aWater quality biological assessment. 7aElectronic books.2local1 aChapman, Deborah V.2 aUnesco.2 aWorld Health Organization.2 aUnited Nations Environment Programme.2 aebrary, Inc.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10058089zAn electronic book accessible through the World Wide Web; click to view  c68132d68132