Professor Maximouich (1981):
Show Caves of the U.S.S.R.,
The British Caver, Vol 81, Summer pp 4-6
A. K. Agadjanian, N. V. Serdyuk (2005):
The History of Mammalian Communities and Paleogeography of the Altai Mountains in the Paleolithic,
Paleontological Journal, Vol. 39, Suppl. 6, 2005, pp. S645-S821.
Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997 Russia