?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.M.&rft.au=Ali%2C+A.M.&rft.aulast=Ali&rft.title=Petroleum+and+Coal&rft.issn=13377027&rft.atitle=Surface+characterization+of+goethite-humate+chelations+complexated+with+quartz&rft.volume=58&rft.date=2016&rft.pages=668-675&rft.issue=6&rft.genre=article