?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Klimekova%2C+Marta&rft.aulast=Klimekova&rft.aufirst=Marta&rft.date=2006&rft.title=The+effect+of+three+different+forecrops+on+yield+height+and+selected+qualitative+characters+of+spring+barley+cultivated+organically+in+the+years+2003+%C3%A2%C2%80%C2%93+2005&rft.genre=proceeding