?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.biortech.2012.09.018&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.M.&rft.aulast=Guangul&rft.au=Guangul%2C+F.M.&rft.date=2012&rft.title=Bioresource+Technology&rft.atitle=Gasifier+selection%2C+design+and+gasification+of+oil+palm+fronds+with+preheated+and+unheated+gasifying+air&rft.pages=224-232&rft.volume=126&rft.issn=09608524&rft.genre=article