?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Koikkalainen%2C+Kauko&rft.aulast=Koikkalainen&rft.aufirst=Kauko&rft.title=Ekomj%C3%B6lkg%C3%A5rdarnas+l%C3%B6nsamhet+i+Finland&rft.date=2004&rft.genre=proceeding