?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.triboint.2019.105852&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Nurliyana+A.&rft.aulast=Raof&rft.au=Raof%2C+Nurliyana+A.&rft.atitle=Effect+of+molecular+structure+on+oxidative+degradation+of+ester+based+transformer+oil&rft.volume=140&rft.title=Tribology+International&rft.date=2019&rft.issn=0301679X&rft.genre=article