Čelik, Tatjana. “Diversity of Bytterfly Fauna (Lepidoptera: Rhopalocera) in the Skocjanske Jame Regional Park”. Acta Biologica Slovenica, vol. 47, no. 2, Dec. 2004, pp. 95-111, https://doi.org/10.14720/abs.47.2.16983.