?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Richter%2C+Toralf&rft.aulast=Richter&rft.aufirst=Toralf&rft.date=2005&rft.title=Organic+Market+Data+Collection+in+Europe+-+Current+State+and+Prospects+%2F%2F+European+Information+System+for+Organic+Markets%3A+Project+Communication+%2F%2F+Organic+Market+Data+Collection+in+Europe+-+Recommendations+&rft.genre=proceeding