?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bussemas%2C+R.&rft.aulast=Bussemas&rft.aufirst=R.&rft.date=2008&rft.title=Prolonged+suckling+period+in+organic+piglet+production+%C3%A2%C2%80%C2%93+Effects+on+some+performance+and+health+aspects&rft.genre=proceeding