Cranometric variability in brown bears of the Russian Far East / V. Yu. Guskov, I. N. Sheremetyeva, I. V. Seryodkin, O. Yu. Tyutenkov // Biology bulletin. 2018. Vol. 45, № 4. P. 368-375. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000650663