?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.rser.2017.01.153&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Shahbaz%2C+M.&rft.aulast=Shahbaz&rft.title=Renewable+and+Sustainable+Energy+Reviews&rft.date=2017&rft.volume=73&rft.issn=13640321&rft.pages=468-476&rft.atitle=The+influence+of+catalysts+in+biomass+steam+gasification+and+catalytic+potential+of+coal+bottom+ash+in+biomass+steam+gasification%3A+A+review&rft.genre=article