Olga A. Stolbova. “Distribution of Bovine Demodicosis in the Forest-Steppe Zone of the Northern Trans-Urals”. Helix - The Scientific Explorer | Peer Reviewed Bimonthly International Journal, vol. 10, no. 05, Oct. 2020, pp. 44-47, https://helixscientific.pub/index.php/home/article/view/214.