?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Leifert%2C+C.&rft.aulast=Leifert&rft.aufirst=C.&rft.date=2007&rft.title=Effects+of+organic+and+%C3%A2%C2%80%C2%98low+input%C3%A2%C2%80%C2%99+production+methods+on+food+quality+and+safety&rft.genre=proceeding