VargaZ., RonkayG., NagyJ., and RonkayL. “Contribution to the Taxonomy and Phylogeny of the Genus Polia Ochsenheimer, 1816 (Noctuidae, Noctuinae, Hadenini): Species Groups and Pairs in the Holarctic Subgenus Polia S. Str.”. Acta Zoologica Academiae Scientiarum Hungaricae, Vol. 66, no. 1, Mar. 2020, pp. 35-67, doi:10.17109/AZH.66.1.35.2020.