?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Rahmann%2C+Gerold&rft.aulast=Rahmann&rft.aufirst=Gerold&rft.date=2002&rft.title=The+standards%2C+regulations+and+legislation+required+for+organic+ruminant+keeping+in+the+European+Union&rft.genre=proceeding