?url_ver=Z39.88-2004&rft_id=10.3923%2Fjas.2012.2346.2350&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.B.&rft.aulast=Wasiu&rft.au=Wasiu%2C+A.B.&rft.issn=18125654&rft.atitle=The+effect+of+carbon+dioxide+content-natural+gas+on+the+performance+characteristics+of+engines%3A+A+review&rft.title=Journal+of+Applied+Sciences&rft.issue=23&rft.date=2012&rft.pages=2346-2350&rft.volume=12&rft.genre=article