Potapov, G.S. Local fauna of bumblebees (Hymenoptera, Apidae) in the lower reaches of the Northern Dvina River / G.S. Potapov, Yu.S. Kolosova // Arctic Environmental Research .— 2019 .— Vol. 19, no. 2 .— С. 49-55 .— DOI 10.3897/issn2541-8416.2019.19.2.49 .— URL: https://rucont.ru/efd/702123 (дата обращения: 04.04.2025)