S. Yachida, S. Aoyama, N. Takahashi, Y. Iritani and K. Katagiri. (1979). Growth Kinetics of Embryo- and Organ-Culture Adapted Beaudette Strain of Infectious Bronchitis Virus in Embryonated Chicken Eggs. Avian Diseases, 23(1), 127–131.
doi:10.2307/1589679
