?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bestman%2C+Monique&rft.aulast=Bestman&rft.aufirst=Monique&rft.date=2006&rft.title=Health+and+welfare+in+organic+poultry+in+Europe%3A+state+of+the+art+and+future+challenges.&rft.genre=proceeding