?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Heckendorn%2C+Felix&rft.aulast=Heckendorn&rft.aufirst=Felix&rft.date=2007&rft.title=Tanniferous+forage+plants+with+anthelmintic+properties%3A+the+example+of+sainfoin+(Onobrychis+viciifolia)&rft.genre=proceeding