?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Lukashyk%2C+Pavel&rft.aulast=Lukashyk&rft.aufirst=Pavel&rft.date=2005&rft.title=Combination+of+different+methods+for+direct+control+of+Vicia+hirsuta+in+winter+wheat&rft.genre=proceeding