?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Jauni%2C+Miia&rft.aulast=Jauni&rft.aufirst=Miia&rft.date=2009&rft.title=The+occurrence+of+alien+plant+species+in+field+margins+in+Finland&rft.genre=proceeding