Ruchin, A. B., L. V. Egorov, and A. A. Khapugin. “Seasonal Activity of Coleoptera Attracted by Fermental Crown Traps in Forest Ecosystems of Central Russia”. Ecological Questions, vol. 32, no. 1, Aug. 2020, pp. 1-21, doi:10.12775/EQ.2021.004.