1. Virological characteristics of bull semen originating from a herd infected with bovine rhinotracheitis/infectious pustular vulvovaginitis virus (IBR/IPV);Baczyński;Bull. Vet. Inst. Pulawy,1977
2. Central Statistical Office (CSO), 2013. http://stat.gov.pl/en/topics/agriculture-forestry/agriculture/agriculture-in-2013,4,10.html.
3. CSO, 2013. Local Data Bank: Urban population in% of total population: http://stat.gov.pl/bdlen/app/strona.html?p_name=indeks.
4. Herpesvirus systematics;Davison;Vet. Microbiol.,2010
5. Veterinary Epidemiologic Research;Dohoo,2010