?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Johnsen+&rft.aufirst=Julie+F%C3%B8ske&rft.au=Johnsen+%2C+Julie+F%C3%B8ske&rft.title=Improving+welfare+for+dairy+cows+and+calves+at+separation.&rft.date=August+2011&rft.genre=proceeding