?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMM.393.729&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=R.&rft.au=Ahmed%2C+R.&rft.aulast=Ahmed&rft.date=2013&rft.pages=729-734&rft.volume=393&rft.issn=16609336&rft.atitle=Equilibrium+modeling+in+updraft+gasifier+for+refinery+sludge+gasification+using+ASPEN+PLUS+simulator&rft.title=Applied+Mechanics+and+Materials&rft.isbn=9783037858233&rft.genre=article