?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.seppur.2016.06.035&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Waheed&rft.au=Waheed%2C+N.&rft.aufirst=N.&rft.atitle=Mixed+matrix+membranes+based+on+polysulfone+and+rice+husk+extracted+silica+for+CO2+separation&rft.pages=122-129&rft.volume=170&rft.title=Separation+and+Purification+Technology&rft.issn=13835866&rft.date=2016&rft.genre=article