Hôrka-Ondrej : research of a Middle Palaeolithic travertine locality / Ľubomíra Kaminská and D. C. Ford, E. Hajnalová, M. Hajnalová, I. Horáček, J. Kovanda, V. Ložek, J. Mlíkovský, L. Smolíková.    Nitra : Archaeological Institute of the Slovak Academy of Sciences, 2000 . 202 stran