?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Laukkanen%2C+R.&rft.aulast=Laukkanen&rft.aufirst=R.&rft.date=2005&rft.title=Pathogenic+Yersinia+and+Listeria+monocytogenes+in+organic+pork+production&rft.genre=proceeding