?url_ver=Z39.88-2004&rft_id=10.4273%2Fijvss.10.2.14&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mohammed%2C+S.E.&rft.aulast=Mohammed&rft.aufirst=S.E.&rft.pages=146-149&rft.atitle=Experimental+investigation+of+ignition+timing+on+the+performance+and+emission+characteristics+of+a+crank-rocker+engine&rft.issue=2&rft.volume=10&rft.issn=09753060&rft.date=2018&rft.title=International+Journal+of+Vehicle+Structures+and+Systems&rft.genre=article