?url_ver=Z39.88-2004&rft_id=10.24200%2Fsci.2021.56224.4610&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Omar&rft.au=Omar%2C+H.A.&rft.aufirst=H.A.&rft.volume=28&rft.issn=10263098&rft.issue=5+A&rft.atitle=Determining+the+effect+of+ageing+of+nano-clay+modified+bitumen+using+atomic+force+microscopy&rft.pages=2534-2545&rft.title=Scientia+Iranica&rft.date=2021&rft.genre=article