?url_ver=Z39.88-2004&rft_id=10.15282%2Fjmes.8.2015.14.0136&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=E.Z.&rft.au=Zainal+A.%2C+E.Z.&rft.aulast=Zainal+A.&rft.issn=22894659&rft.atitle=Effect+of+motoring+voltage+on+compression+ratio+of+a+free-piston+linear+generator+engine&rft.title=Journal+of+Mechanical+Engineering+and+Sciences&rft.date=2015&rft.pages=1393-1400&rft.volume=8&rft.genre=article