?url_ver=Z39.88-2004&rft_id=10.1002%2Fcssc.200700083&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Awang%2C+M.&rft.aulast=Awang&rft.title=ChemSusChem&rft.atitle=Sulfonation+of+phenols+extracted+from+the+pyrolysis+oil+of+oil+palm+shells+for+enhanced+oil+recovery&rft.pages=210-214&rft.volume=1&rft.issue=3&rft.date=2008&rft.issn=18645631&rft.genre=article