MESHKOVA, V. L. .; VOROBEI, A. D. .; OMELICH, A. R. . Predatory insects in collapsing foci of bark beetles in Sumy region. Forestry and Forest Melioration, [S. l.], n. 139, p. 124–131, 2021. DOI: 10.33220/1026-3365.139.2021.124. Disponível em: http://forestry-forestmelioration.org.ua/index.php/journal/article/view/326. Acesso em: 4 oct. 2022.