?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Aschemann%2C+Jessica&rft.aulast=Aschemann&rft.aufirst=Jessica&rft.date=2008&rft.title=The+EU+health+claims+regulation+and+its+impact+on+the+marketing+of+organic+food.+&rft.genre=proceeding