?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Weissmann%2C+Friedrich&rft.aulast=Weissmann&rft.aufirst=Friedrich&rft.date=2006&rft.title=Carcass+and+meat+quality+of+different+pig+genotypes+in+an+organic+extensive+outdoor+fatting+system&rft.genre=proceeding