?url_ver=Z39.88-2004&rft_id=10.15282%2Fijame.2.2010.5.0013&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Aziz%2C+A.R.A.&rft.aulast=Aziz&rft.aufirst=A.R.A.&rft.title=International+Journal+of+Automotive+and+Mechanical+Engineering&rft.date=2010&rft.issue=1&rft.volume=2&rft.issn=22298649&rft.atitle=Combustion+analysis+of+a+cng+direct+injection+spark+ignition+engine&rft.pages=157-170&rft.genre=article