[1]
B. Osiadacz and R. Hałaj, “First records of gall-inducing aphid <i>Pemphigus populi</i> (Hemiptera: Aphidoidea, Eriosomatidae) in Poland with gall-based key to Central and North European species of the genus”, Entomol. Fennica, vol. 25, no. 1, pp. 16–26, Apr. 2014.