?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ali%2C+S.&rft.aulast=Ali&rft.aufirst=S.&rft.title=Ranliao+Huaxue+Xuebao%2FJournal+of+Fuel+Chemistry+and+Technology&rft.date=2012&rft.issue=1&rft.volume=40&rft.issn=2097213X&rft.atitle=Effect+of+niobium+promoter+on+iron-based+catalyst+for+Fischer-Tropsch+reaction&rft.pages=48-53&rft.genre=article