?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.aej.2022.01.027&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Raheem%2C+A.T.&rft.aulast=Raheem&rft.aufirst=A.T.&rft.title=Alexandria+Engineering+Journal&rft.issn=11100168&rft.atitle=A+review+of+free+piston+engine+control+literature%C3%A2%EF%BF%BD%EF%BF%BDTaxonomy+and+techniques%3A+A+review+of+free+piston+engine+control&rft.issue=10&rft.volume=61&rft.date=2022&rft.pages=7877-7916&rft.genre=article