1. Balashov, Yu.S., Determination of the Physiological Age and Age Composition of Starving Female Ixodes ricinus and Ixodes persulcatus in Leningrad Oblast, Med. Parazitol., 1962, no. 1, pp. 47–55.
2. Balashov, Yu.S., Iksodovye kleshchi—parazity i perenoschiki infektsii (Ixodid Ticks: Parasites and Vectors of Infections), St. Petersburg: Nauka, 1998.
3. Belozerov, V.N., Ecological Rhythms in Ixodid Ticks and Their Regulation, Parazitol. Sb., 1981, vol. 30, pp. 22–45.
4. Belozerov, V.N., Involvement of Two-Step Photoperiodic Response in the Regulation of Diapause in Nymphs of the Taiga Tick Ixodes persulcatus, Zool. Zh., 1998, vol. 77, pp. 885–890.
5. Brossard, M. and Wikel, S.R., Tick Immunobiology, Parasitology, 2004, vol. 129, pp. 161–176.