1. Averina, O.V., Lysenko, A.M., Ermakova, L.M., Ogai, D.K., and Sukhodolets, V.V., DNA Homology among Strains of Thermophilic and Mesophilic Lactic Streptococci Obtained from Different Sources, Mikrobiologiya, 1998, vol. 67, no.6, pp. 792–798.
2. Lysenko, A.M., Karpushina, S.G., and Sukhodolets, V.V., Divergence of Streptococcus thermophilus Strains Determined by DNA-DNA Hybridization, Mikrobiologiya, 1999, vol. 68, no.4, pp. 514–518.
3. Lysenko, A.M., Botina, S.G., Ganina, V.I., and Sukhodolets, V.V., DNA Relatedness, Divergence, and Sibling Species of the Lactic Acid Bacterium Streptococcus thermophilus, Mikrobiologiya, 2001, vol. 70, no.1, pp. 70–76.
4. Rossello-Mora, R. and Amann, R., The Species Concept for Prokaryotes, FEMS Microbiol. Rev., 2001, vol. 25, pp. 39–67.
5. Botina, S.G., Lobanov, A.O., Lysenko, A.M., and Sukhodolets, V.V., Genetic Diversity of Strains of Thermophilic Lactic Acid Bacteria on the Territory of the Commonwealth of Independent States, Biotekhnologiya, 2004, no. 2, pp. 3–12.