?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Michelsen%2C+J.&rft.aulast=Michelsen&rft.aufirst=J.&rft.date=2001&rft.btitle=Organic+Farming+Development+and+Agricultural+Institutions+in+Europe%3A+A+Study+of+Six+Countries&rft.genre=book