?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P.&rft.aulast=Srinivasa+Rao&rft.au=Srinivasa+Rao%2C+P.&rft.issue=22&rft.atitle=Effect+of+tool+geometrical+parameters+on+friction+stir+welding+joint+properties+of+aluminum+alloy+AA6061&rft.pages=13053-13058&rft.volume=11&rft.title=ARPN+Journal+of+Engineering+and+Applied+Sciences&rft.issn=18196608&rft.date=2016&rft.genre=article