1. Burdin, A.M., Lisitsina, T.Yu., Burkanov, V.N., et al., Application of remote video system for biological research on Steller sea lion (Eumetopias jubatus) at cape Kozlova (Kronotskiy State Nature Reserve, Kamchatka), in Tezisy dokladov Vtoroi Mezhdunarodnoi konferentsii “Morskiye mlekopitayushchiye Golarktiki” (Baikal, Rossiya, 10–15 sentyabrya 2002 g.) (Proc. 2nd Int. Conf. “Marine Mammals of the Holarctic”, Baikal, Russia, September 10–15, 2002), Moscow: KMK, 2002, pp. 53–54.
2. Katin, I.O., The Spotted Seal of Peter the Great Bay, Sea of Japan (characteristics and use of haulout sites, population status), Cand. Sci. (Biol.) Dissertation, Vladivostok: Inst. Biol. Soil Sci., Far East. Branch, Russ. Acad. Sci., 2006.
3. Katin, I.O. and Nesterenko, V.A., Oceanological conditions and reproduction of the spotted seal (Phoca largha) in Peter the Great Bay of the Sea of Japan, Oceanology (Engl. Transl.), 2010, vol. 50, no. 1, pp. 77–82.
4. Nesterenko, V.A. and Katin, I.O., Haulout: Scope of the term and procedure for identification, Russ. J. Ecol., 2009, vol. 40, no. 1, pp. 48–54.
5. Nesterenko, V.A. and Katin, I.O., Larga (Phoca largha) v zalive Petra Velikogo (Spotted Seal (Phoca largha) in Peter the Great Bay), Vladivostok: Dal’nauka, 2014.