D. L. Hoffmann؛ C. D. Standish؛ M. García-Diez؛ P. B. Pettitt؛ J. A. Milton؛ J. Zilhão؛ J. J. Alcolea-González؛ P. Cantalejo-Duarte؛ H. Collado (2018). "U-Th dating of carbonate crusts reveals Neandertal origin of Iberian cave art". Science. ج. 359 ع. 6378: 912–915. DOI:10.1126/science.aap7778. PMID:29472483.
nih.gov
pubmed.ncbi.nlm.nih.gov
D. L. Hoffmann؛ C. D. Standish؛ M. García-Diez؛ P. B. Pettitt؛ J. A. Milton؛ J. Zilhão؛ J. J. Alcolea-González؛ P. Cantalejo-Duarte؛ H. Collado (2018). "U-Th dating of carbonate crusts reveals Neandertal origin of Iberian cave art". Science. ج. 359 ع. 6378: 912–915. DOI:10.1126/science.aap7778. PMID:29472483.