[1]
Skalski, A.W. 2002. Disappearing and endangered butterfly species Ropalocera (Papilionoidea + Hesperioidea) of the central part of Poland. Acta Universitatis Lodziensis. Folia Biologica et Oecologica. 1, (Jan. 2002), 169–182. DOI:https://doi.org/10.18778/1730-2366.01.11.