1. Akaevsky AI (1975) Anatomiya domashnikh zhivotnykh. Izdatelstvo Kolos, Moscow (in Russian)
2. Andreev A, Schirrmeister L, Tarasov P, Ganopolski A, Brovkin V, Siegert C, Hubberten H-W (2011) Vegetation and climate history in the Laptev Sea region (Arctic Siberia) during Late Quaternary inferred from pollen records. Quat Sci Rev 30:2182–2199
3. Arslanov HA, Chernov SB (1977) Ob absolyutnom vozraste Selerikanskoy loshadi. In: Vereschagin NK (ed) Fauna i Flora Antropogena Severo-Vostoka. Nauka, Leninrad, pp 76–78 (in Russian)
4. Balaschov NT (1961) Die Zucht der Przewalski-Pferde in Askania-Nova. In: Veselovsky Z (ed) Equus. Proceedings of the 1-st Intern. Symp. on Przewalski Horse. Nakladatelstvi Československe Akademie ved, Praha, ss 59–84
5. Bannikov AG (1954) Mlekopitayushie Mongolskoy Narodnoy Respubliki. Izdatelstvo Vysshaya Shkola, Moscow (in Russian)