?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Glemnitz%2C+Michael&rft.aulast=Glemnitz&rft.aufirst=Michael&rft.date=2007&rft.title=Weed+Management+in+Organic+Farming+in+the+New+EU+Member+States+and+the+Acceding+Countries+-+Status+Quo+and+Main+Limitations&rft.genre=proceeding