?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=H%C3%A4seli%2C+Andreas&rft.aulast=H%C3%A4seli&rft.aufirst=Andreas&rft.title=Disease+control+in+organic+cherry+production+with+new+products+and+early+plastic+cover+of+the+trees&rft.date=2004&rft.genre=proceeding