1. Liskun E.F. Methodology of craniological studies. Report at the XXII Congress of Naturalists and Doctors. St. Petersburg: Publishing House of the Bureau of Zootechny of the Department of Agriculture of the Scientific Committee of the Main Directorate of Land Management and Agriculture: 1910; 3: 62.
2. Convention for the Protection of the World Cultural and Natural Heritage. United nations educational, scientific and cultural organisation. Adopted by the General Conference at its seventeenth session. 16 november 1972. Paris, 1972; 16. http://whc.unesco.org/archive/convention-en.pdf
3. Boronetskaya O.I. et al. Catalogue of the craniological collection of the State Museum of Animal Husbandry named after E.F. Liskun. Moscow: Publishing House of the Russian State Agrarian University — Moscow Timiryazev Agricultural Academy. 2012; 148 (In Russian).
4. Klimov A.F. Anatomiya domashnikh zhivotnykh. Moscow: Publishing house of agricultural literature. 1955; l: 84–134 (In Russian).
5. Tunikov G.M., Bystrova I Yu. Biological foundations of cattle productivity. Razan: Prize. 2014; 368. eLIBRARY ID: 22524580 (In Russian).