?url_ver=Z39.88-2004&rft_id=10.3390%2Fma14237485&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=V.S.R.&rft.au=Janga%2C+V.S.R.&rft.aulast=Janga&rft.title=Materials&rft.issn=19961944&rft.atitle=Experimental+and+numerical+analysis+of+refill+friction+stir+spot+welding+of+thin+AA7075-T6+sheets&rft.volume=14&rft.date=2021&rft.issue=23&rft.genre=article