?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Mushtaq&rft.au=Mushtaq%2C+A.&rft.aufirst=A.&rft.title=Afinidad&rft.issue=585&rft.atitle=Performance+of+enhanced+polymeric+blend+membranes+for+the+separation+of+CO2%2FCH4+mixtures&rft.pages=70-75&rft.volume=76&rft.date=2019&rft.issn=00019704&rft.genre=article