?url_ver=Z39.88-2004&rft_id=10.2118%2F183437-ms&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Hematpour&rft.au=Hematpour%2C+H.&rft.aufirst=H.&rft.title=Effective+application+of+ionic+liquid+coupled+with+solvent+for+the+removal+of+nickel+from+heavy+oils&rft.date=2016&rft.isbn=9781510844803&rft.genre=proceeding