?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.aej.2021.08.038&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.R.&rft.au=A.+Aziz%2C+A.R.&rft.aulast=A.+Aziz&rft.date=2022&rft.atitle=Effect+of+generator+configuration+on+the+free-piston+motion+and+power+generation+of+air-driven+expander+system&rft.title=Alexandria+Engineering+Journal&rft.issn=11100168&rft.pages=3093-3104&rft.issue=4&rft.volume=61&rft.genre=article