?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.wear.2015.04.021&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Paggi&rft.aufirst=Marco&rft.au=Paggi%2C+Marco&rft.volume=336&rft.title=Wear&rft.date=2015&rft.atitle=Evolution+of+the+free+volume+between+rough+surfaces+in+contact&rft.pages=86-95&rft.issn=0043-1648&rft.genre=article