?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Yunus&rft.au=Yunus%2C+N.M.&rft.aufirst=N.M.&rft.isbn=9781622763856&rft.date=2011&rft.issn=07365721&rft.title=Removal+of+CO2+from+natural+gas+using+ionic+liquids&rft.genre=proceeding