Vienna, Austria. Dusseldorp, Gerrit Leendert. (2008). A View to a Kill: Investigating Middle Palaeolithic Subsistence Using an Optimal Foraging Perspective. Sidestone Press. s. 127–143. . Fosse, P. 1999. „Cave occupation during Palaeolithic times: Man and/or Hyena?” in The Role of Early Humans in the accumulation if European Lower and Middle Palaeolithic bone assemblages, Ergebnisse eines Kolloquiums, vol. 42, Monographien. Edited by S. Gaudzinski and E. Turner, s. 73–88. Bonn: Verlag des Römisch-Germanischen Zentralmuseums. Summerill, Lynette; Gnawed Bones tell Tales, Summer 2003, ASU Research. Kurtén, Björn (1968). Pleistocene mammals of Europe. Weidenfeld and Nicolson. s. 69–72. Martin, Paul S. (1989). Quaternary Extinctions: A Prehistoric Revolution. University of Arizona Press. s. 496. . Meloro, C., 2007. Plio-Pleistocene large carnivores from the Italian peninsula: functional morphology and macroecology. Ph.D. Thesis, Univ. Naples Federico II. Rohland, N, Pollack, JL, Nagel, D, Beauval, C, Airvaux J, Paabo, S & Hofreiter, M, 2005. The population history of extant and extinct hyenas. Molecular Biology and Evolution,. 22: 2435-2443.