?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Mogensen%2C+Lisbeth&rft.aulast=Mogensen&rft.aufirst=Lisbeth&rft.date=2006&rft.title=A+decision+support+model+simulating+the+vitamin+supply+over+the+year+on+a+farm&rft.genre=proceeding