?url_ver=Z39.88-2004&rft_id=10.5829%2Fije.2017.30.11b.24&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Momeni%2C+M.&rft.aulast=Momeni&rft.atitle=Optimum+drill+bit+selection+by+using+bit+images+and+mathematical+investigation&rft.pages=1807-1813&rft.volume=30&rft.issue=11&rft.title=International+Journal+of+Engineering%2C+Transactions+B%3A+Applications&rft.issn=1728144X&rft.date=2017&rft.genre=article