@misc{_PMWS,,
 howpublished={online},
 publisher={PHU Kopiorama K. Karcz, G. Kozłowski},
 language={eng},
 title={PMWS, PRRS, swine influenza and associated diseases : 5th International Symposium on Emerging and Re-emerging Pig Diseases, Krakow, Poland, 24th-27th June, 2007 : proceedings},
 type={e-książka},
 keywords={choroby zakaźne},
}