?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Haering%2C+Anna+Maria&rft.aulast=Haering&rft.aufirst=Anna+Maria&rft.date=2005&rft.title=Impact+of+the+EU+Common+Agricultural+Policy+on+organic+in+comparison+to+conventional+farms&rft.genre=proceeding