Śliwiński, Z. (2002). The change of butterfly fauna (Lepidoptera: Papilionoidea and Hesperioidea) of the central water-basin of the Pilica river. Acta Universitatis Lodziensis. Folia Biologica Et Oecologica, 1, 123–137. https://doi.org/10.18778/1730-2366.01.08