?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Klopp%2C+Karsten&rft.aufirst=Karsten&rft.aulast=Klopp&rft.title=Results+in+research+on+lime+sulphur+and+other+products+to+control+apple+scab+under+northern+German+climate+conditions&rft.date=2004&rft.genre=proceeding