?url_ver=Z39.88-2004&rft_id=10.1115%2F1.4030242&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.S.&rft.au=Patil%2C+S.S.&rft.aulast=Patil&rft.issn=07424787&rft.date=2015&rft.issue=4&rft.atitle=Contact+stress+evaluation+of+involute+gear+pairs%2C+including+the+effects+of+friction+and+helix+angle&rft.volume=137&rft.title=Journal+of+Tribology&rft.genre=article