?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Mihai%2C+Prof.+Gheorghe&rft.aulast=Mihai&rft.aufirst=Gheorghe&rft.date=2006&rft.title=Development+of+organic+livestock+production+in+Romania&rft.genre=proceeding