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Nesje, Atle; Pilø, Lars Holger; Finstad, Espen; Solli, Brit; Wangen, Vivian; Ødegård, Rune Strand; Isaksen, Ketil; Støren, Eivind N.; Bakke, Dag Inge; Andreassen, Liss M (2011). "The climatic significance of artefacts related to prehistoric reindeer hunting exposed at melting ice patches in southern Norway". The Holocene. 22 (4): 485–496. doi:10.1177/0959683611425552. ISSN0959-6836. S2CID129845949.
Helm, Charles W.; Lockley, Martin G.; Cawthra, Hayley C.; De Vynck, Jan C.; Dixon, Mark G.; Rust, Renée; Stear, Willo; Van Tonder, Monique; Zipfel, Bernhard (2023). "Possible shod-hominin tracks on South Africa's Cape coast". Ichnos. 30 (2): 79–97. Bibcode:2023Ichno..30...79H. doi:10.1080/10420940.2023.2249585. ISSN1042-0940. S2CID261313433.