Studies on the prevalence of enzootic bovine leukosis in Bulgaria during the years 2005-2009

Sandev, N., D., I., Iliev, E., Rusenova, N., & Hvarchilkov, V. (). Studies on the prevalence of enzootic bovine leukosis in Bulgaria during the years 2005-2009. // <I>Twentieth<D> anniversary international science conference Agricultural science, St. Zagora, Bulgaria, 3-4 june 2010. - St. Zagora : Trakia univ., Vol. I, p. 53-57..