?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Twardy&rft.aufirst=Stanislaw&rft.au=Twardy%2C+Dr.+Stanislaw&rft.date=2006&rft.title=Organic+and+low+intensive%2C+traditional+sheep+farming+in+the+Polish+Carpathian+Mts&rft.genre=proceeding