?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.proeng.2016.06.596&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Zafar%2C+F.&rft.aulast=Zafar&rft.aufirst=F.&rft.title=Total+Acid+Number+Reduction+of+Naphthenic+Acid+Using+Subcritical+Methanol+and+1-Butyl-3-Methylimidazolium+Octylsulfate&rft.date=2016&rft.issn=18777058&rft.genre=proceeding