1. Isolation of reovirus type 1 from lambs showing respiratory and intestinal symptoms;Belák;Arch. ges. Virusforsch,1974
2. Experimental infection of lambs with reovirus type 1 isolated from sheep;Belák;Acta Vet. Hung.,1974
3. Pneumoenteritis of lambs caused by adenovirus;Belák;Acta Vet. Hung.,1974
4. An adenovirus isolated from sheep and its relationship to type 2 bovine adenovirus;Belák;Arch. ges. Virusforsch,1974
5. Experimental infection of lambs with an adenovirus isolated from sheep and related to bovine adenovirus type 2. I. Virological studies;Belák;Acta Vet. Hung.,1975