?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Jankowska-Huflejt%2C+Dr+Halina&rft.aulast=Jankowska-Huflejt&rft.aufirst=Halina&rft.date=2006&rft.title=Utilisation+and+quality+of+fodders+from+grass-lands+in+organic+livestock+production+in+Poland+&rft.genre=proceeding