?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=El-Adawy&rft.au=El-Adawy%2C+M.&rft.aufirst=M.&rft.title=Journal+of+Mechanical+Engineering&rft.date=2018&rft.issue=1&rft.volume=Specia&rft.issn=18235514&rft.atitle=Tumble+Motion+Evolution+for+GDI+Engine+Using+Particle+Image+Velocimetry+(PIV)&rft.pages=191-201&rft.genre=article