Implications of hybridization, NUMTs, and overlooked diversity for DNA barcoding of eurasian ground squirrels / O. A. Ermakov, E. Simonov, V. L. Surin [et.al.] // PLoS ONE. 2015. Vol. 10, № 1. P. e0117201 (1-19). URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000548481