Sardella, Raffaele; Bertè, Davide; Iurino, Dawid Adam; Cherin, Marco; Tagliacozzo, Antonio (2014). «The wolf from Grotta Romanelli (Apulia, Italy) and its implications in the evolutionary history of Canis lupus in the Late Pleistocene of Southern Italy». Quaternary International. 328–329: 179–195. Bibcode:2014QuInt.328..179S. doi:10.1016/j.quaint.2013.11.016.
Sotnikova, M (2010). «Dispersal of the Canini (Mammalia, Canidae: Caninae) across Eurasia during the Late Miocene to Early Pleistocene». Quaternary International. 212 (2): 86–97. Bibcode:2010QuInt.212...86S. doi:10.1016/j.quaint.2009.06.008.
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Sardella, Raffaele; Bertè, Davide; Iurino, Dawid Adam; Cherin, Marco; Tagliacozzo, Antonio (2014). «The wolf from Grotta Romanelli (Apulia, Italy) and its implications in the evolutionary history of Canis lupus in the Late Pleistocene of Southern Italy». Quaternary International. 328–329: 179–195. Bibcode:2014QuInt.328..179S. doi:10.1016/j.quaint.2013.11.016.
Sotnikova, M (2010). «Dispersal of the Canini (Mammalia, Canidae: Caninae) across Eurasia during the Late Miocene to Early Pleistocene». Quaternary International. 212 (2): 86–97. Bibcode:2010QuInt.212...86S. doi:10.1016/j.quaint.2009.06.008.