1. Adams B (2002) New radiocarbon dates from Szeleta andIstállóskő Caves, Hungary. Praehistoria 3:53–55
2. Alscher M (2013) Morphologie und Metrik der Phalangen in der Höhlenbärengruppe. Universität Wien
3. Athen K (2006) Biostatistical investigation of long bones and metapodial bones of Ursus spelaeus and Ursus deningeri. Sci Ann Sch Geol Aristot Univ Tessaloniki (AUTH) 98:159–162
4. Baca M, Stankovic A, Stefaniak K, Marciszak A, Nadachowski A, Węgleński P, Mackiewicz P (2012) Genetic analysis of cave bear specimens from Niedźwiedzia cave. Palaeontol Electron 15:16
5. Baca M et al (2014) Ancient DNA and dating of cave bear remains from Niedźwiedzia Cave suggest early appearance of Ursus ingressus in Sudetes. Quat Int 339-340:217–223