Stegniy, M. Y., B. T. Stegniy, and A. N. Goltsev. “Ultrastructure and Biological Properties of Avian Infectious Bronchitis Virus Following Cryopreservation”. Problems of Cryobiology and Cryomedicine, vol. 25, no. 4, Dec. 2015, pp. 340-9, doi:10.15407/cryo25.04.340.