Khaitovich, A. B., T. P. Sataieva, E. A. Sheyko, and W. Zukow. “The Analysis of Biological Diversity of Coronaviruses Contributes in the Early Awareness of Their Zoonotic Spreading”. Ecological Questions, vol. 32, no. 3, June 2021, pp. 1-16, doi:10.12775/EQ.2021.025.