?url_ver=Z39.88-2004&rft_id=10.1002%2Fapp.45952&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Tahir&rft.au=Tahir%2C+Z.&rft.aufirst=Z.&rft.title=Journal+of+Applied+Polymer+Science&rft.date=2018&rft.volume=135&rft.issn=00218995&rft.issue=10&rft.atitle=Tuning+the+gas+separation+performance+of+fluorinated+and+sulfonated+PEEK+membranes+by+incorporation+of+zeolite+4A&rft.genre=article