?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2Fj.scitotenv.2014.10.103&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Klamerth%2C+Nikolaus&rft.aulast=Klamerth&rft.aufirst=Nikolaus&rft.volume=506-50&rft.date=February+2015&rft.issn=0048-9697&rft.atitle=Effect+of+ozonation+on+the+naphthenic+acids'+speciation+and+toxicity+of+pH-dependent+organic+extracts+of+oil+sands+process-affected+water&rft.title=Science+of+The+Total+Environment&rft.pages=66-75&rft.genre=article