?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.ijhydene.2018.02.093&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.Y.&rft.au=Hagos%2C+F.Y.&rft.aulast=Hagos&rft.atitle=Engine+speed+and+air-fuel+ratio+effect+on+the+combustion+of+methane+augmented+hydrogen+rich+syngas+in+DI+SI+engine&rft.pages=477-486&rft.issn=03603199&rft.date=2019&rft.title=International+Journal+of+Hydrogen+Energy&rft.genre=article