N. V.  Khrabrova, Bukhanskaya, E. D., Sibataev, A. K., and Volkova, T. V., ?The distribution of strains of endosymbiotic bacteria Wolbachia pipientis in natural populations of Culex pipiens mosquitoes (Diptera: Culicidae)?, European Mosquito Bulletin, vol. 27, pp. 18-22, 2009.