Stegniy, M. Yu., A. N. Goltsev, and B. T. Stegniy. 2006. “Influence of Duration of a Moderate Low Temperature Storage on RNA of Cattle Diarrhea Virus Strains”. Problems of Cryobiology and Cryomedicine 16 (1):76-81. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/619.