?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMM.607.153&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Abdul-Rani&rft.au=Abdul-Rani%2C+A.M.&rft.aufirst=A.M.&rft.atitle=Improving+rate+of+penetration+for+PDC+drill+bit+using+reverse+engineering&rft.pages=153-160&rft.volume=607&rft.title=Applied+Mechanics+and+Materials&rft.issn=16609336&rft.isbn=9783038351801&rft.date=2014&rft.genre=article