Calvignac, S.; Hughes, S.; Tougard, C.; Michaux, J.; Thevenot, M.; Philippe, M.; Hamdine, W.; Hanni, C. (2008). Ancient DNA evidence for the loss of a highly divergent brown bear clade during historical times. Mol. Ecol. 17 (8): 1962—1970. doi:10.1111/j.1365-294x.2008.03631.x. PMID18363668.
Calvignac, Sebastien; Hughes, Sandrine; Hanni, Catherine (2009). Genetic diversity of endangered brown bear (Ursus arctos) populations at the crossroads of Europe, Asia and Africa. Diversity and Distributions. 15 (5): 742—750. doi:10.1111/j.1472-4642.2009.00586.x.
nih.gov
pubmed.ncbi.nlm.nih.gov
Calvignac, S.; Hughes, S.; Tougard, C.; Michaux, J.; Thevenot, M.; Philippe, M.; Hamdine, W.; Hanni, C. (2008). Ancient DNA evidence for the loss of a highly divergent brown bear clade during historical times. Mol. Ecol. 17 (8): 1962—1970. doi:10.1111/j.1365-294x.2008.03631.x. PMID18363668.
