?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Hauggaard-Nielsen&rft.aufirst=Henrik&rft.au=Hauggaard-Nielsen%2C+Henrik&rft.date=9+September+2009&rft.issn=1653-2015&rft.title=Strip+intercropping+strategy+for+biomass+to+energy+production+while+on+the+same+time+maintaining+soil+fertility&rft.genre=proceeding