Ivanov, Plamen. 2024. “Observation on the Influence of Apple Woolly Aphid (Eriosoma Lanigerum Hausm.) on Vegetative Parameters of Grafted Plants in Container Production”. Proceedings of the Bulgarian Academy of Sciences 77 (8). Sofia, Bulgaria:1251–1259. https://doi.org/10.7546/CRABS.2024.08.17.