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BOCHERENS, Hervé; DRUCKER, Dorothée G.; BONJEAN, Dominique. Isotopic evidence for dietary ecology of cave lion (Panthera spelaea) in North-Western Europe: Prey choice, competition and implications for extinction. Quaternary International. 2011-12-06, roč. 245, čís. 2, s. 249–261. Dostupné online [cit. 2017-01-24]. DOI10.1016/j.quaint.2011.02.023.
CHRISTIANSEN, Per. What size were Arctodus simus and Ursus spelaeus (Carnivora: Ursidae)?. Annales Zoologici Fennici. 1999, roč. 36, čís. 2, s. 93–102. Dostupné online [cit. 2019-08-17]. ISSN0003-455X.
ROSSI, Mario; SANTI, Giuseppe; ZORZIN, Roberto. The first directly dated cave bear from the Covoli di Velo Cave (Verona Province, Veneto, northern Italy) with some discussion of Italian Alps cave bears. Journal of Cave and Karst Studies. 2018-10-12, roč. 80, čís. 3, s. 145–152. Dostupné online [cit. 2019-08-17]. ISSN1090-6924. DOI10.4311/2017pa0111.