Sabol, M.; Vass, D.; Elecko, M.; Konecny, V.; Hensel, K.; Holec, P.; Hudackova, N.; Kernatsova, J.; Klembara, J.; Pipik, R.; Slamkova, M. 2004. Reconstruction and evolution of the Hajnacka I palaeoenvironment. In: Sabol M., ed: Early Villanyian Site of Hajnácka I, Southern Slovakia – Palaeontological Research 1996/2000), Bratislava. pp. 131-141.