?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Sundrum%2C+Prof.+Dr.+Albert&rft.aulast=Sundrum&rft.aufirst=Albert&rft.date=2006&rft.title=From+a+standard+to+an+output+oriented+ap-proach+in+organic+livestock+farming&rft.genre=proceeding