?url_ver=Z39.88-2004&rft_id=10.1063%2F1.4704337&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=F.M.&rft.aulast=Guangul&rft.au=Guangul%2C+F.M.&rft.issn=0094243X&rft.isbn=9780735410329&rft.title=Elemental+and+thermo-chemical+analysis+of+oil+palm+fronds+for+biomass+energy+conversion&rft.date=2012&rft.genre=proceeding