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nih.gov
pubmed.ncbi.nlm.nih.gov
Johnson WE, Eizirik E, Pecon-Slattery J, et al. (2006. January). „The late Miocene radiation of modern Felidae: a genetic assessment”. Science (journal)311 (5757), 73–7. o. DOI:10.1126/science.1122277. PMID16400146.