1. Knyazev, S.P. and Tikhonov, V.N., Preparation of Antiserum Reagents and Immunogenetic Analysis of Blood Allotypes in Domestic and Wild Pigs, Izv. Sib. Otd. Akad. Nauk SSSR, Ser. Biol. Nauk, 1982, no. 2, pp. 150–155.
2. Knyazev, S.P., Tikhonov, V.N., Suzuki, S., et al., Genetic Specifics of Wild and Domestic Pigs of Eurasia with Respect to Polymorphic Serum Systems: I. Immunogenetic Polymorphism for Allotypes in Wild and Domestic Pigs of Eurasia, Zool. Zh., 1985, vol. 66, no. 10, pp. 1563–1569.
3. Randi, E., Conservation Genetics of Genus Sus, J. Mountain Ecol., 1995, vol. 3, pp. 6–12.
4. Ruvinsky, A. and Rotschild, M., Systematics and Evolution of the Pig, The Genetics of the Pig, Wallingford: CAB International, 1998, pp. 1–16.
5. Yermolaev, V.I., Savina, M.A., Gorelov, I.G., et al., Characteristics of Immunogenetic Systems and Blood Serum Proteins in Some Pig Breeds and Georgian and Western Siberian Wild Boar Populations, Rus. J. Genet., 2001, vol. 37, no. 5, pp. 513–518.