Berim, M., & Saulich, M. (2019). The distribution and zones of harmfulness of buckthorn aphid Aphis nasturtii (Homoptera, Aphidida). Plant Protection News (Vestnik Zashchity Rasteniy), (1), 44-47. https://doi.org/10.31993/2308-6459-2019-1(99)-44-47