Greben, O., V. Dupak, O. Lisitsyna, and Y. Kuzmin. “Wintering Rooks, Corvus Frugilegus (Aves, Corvidae) and Their Helminths in Poltava and Kyiv, Ukraine”. Zoodiversity, Vol. 57, no. 4, June 2023, doi:10.15407/zoo2023.04.347.