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010   $a1-57278-345-1
010   $a1-5231-2045-2
035   $a(CKB)4100000007656096
035   $a(MiAaPQ)EBC6186975
035   $a(EXLCZ)994100000007656096
100   $a20200819d2018      uy             0
101 0 $aeng
135   $aurcnu||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aActivated sludge and nutrient removal /$fWater Environment Federation
205   $aThird edition.
210  1$aAlexandria, Virginia :$cWater Environment Federation,$d[2018]
210  4$dİ2018
215   $a1 online resource (xviii, 450 pages) $cillustrations
225 1 $aWEF manual of practice ;$vNumber OM-9
300   $aPrevious editions entitled: Activated sludge.
311   $a1-57278-340-0 
320   $aIncludes bibliographical references and index.
410  0$aManual of practice.$pOperations and maintenance ;$vNumber OM-9.
606   $aSewage$xPurification$xActivated sludge process$vHandbooks, manuals, etc
615  0$aSewage$xPurification$xActivated sludge process
676   $a628.354
712 02$aWater Environment Federation.$bActivated Sludge and Nutrient Removal Task Force.
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910819531903321
996   $aActivated sludge and nutrient removal$94113243
997   $aUNINA