?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nielsen%2C+Ph.D.+student+Bea+Klinzing&rft.aulast=Nielsen&rft.aufirst=Bea+Klinzing&rft.date=2003&rft.title=Organic+Beef+Production+with+Emphasis+on+Welfare%2C+Health+and+Product+Quality&rft.genre=proceeding