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*1001 $aRatnaweera, Harsha$d1962-$0(NO-TrBIB)90291111$_34260900
*24510$aChemical wastewater treatment :$ba concept for optical dosing of coagulants$cHarsha Ratnaweera
*260  $aOslo$bNorwegian Institute for Water Research$c1997
*300  $a32 s.$bill.
*4901 $aNIVA-report$v3713-97
*500  $aProsjektnr: O 93034
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2009-12-01
*830 0$aNIVA-rapport (trykt utg.)$x0803-625x$v3713-97$w998221654304702201$_13228600
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2009120104051$yNettbiblioteket$zDigital representasjon
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^