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↑ Pilcher JR; และคณะ (1984). "A 7,272-year tree-ring chronology for western Europe". Nature. 312: 150–152. doi:10.1038/312150a0.CS1 maint: Explicit use of et al. (link)
↑ Ferguson CW, Graybill DA (1983). "Dendrochronology of Bristlecone Pine: A Progress Report". Radiocarbon. 25: 287–288.
↑ Stuiver Minze, Kromer Bernd, Becker Bernd, Ferguson CW (1986). "Radiocarbon Age Calibration back to 13,300 Years BP and the 14C Age Matching of the German Oak and US Bristlecone Pine Chronologies". Radiocarbon. 28 (2): 969–979. ISSN0033-8222.CS1 maint: Multiple names: authors list (link)
↑ Reimer Paula J, Baillie Mike GL, Bard Edouard, Bayliss Alex, Beck J Warren,Bertrand Chanda JH, Blackwell Paul G, Buck Caitlin E, Burr George S, Cutler Kirsten B, Damon Paul E, Edwards R Lawrence, Fairbanks Richard G, Friedrich Michael, Guilderson Thomas P, Hogg Alan G, Hughen Konrad, Kromer Bernd, McCormac Gerry, Manning Sturt, Ramsey Christopher Bronk, Reimer Ron W, Remmele Sabine, Southon John R, Stuiver Minze, Talamo Sahra, Taylor FW, van der Plicht Johannes, Weyhenmeyer Constanze E (2004). "INTCAL04 Terrestrial Radiocarbon age calibration, 0–26 cal kyr BP" (PDF). Radiocarbon. 46 (3): 1029–1058. line feed character in |author= at position 76 (help)CS1 maint: Multiple names: authors list (link)
↑ Renfrew Colin, Bahn Paul (2004). Archaeology: Theories, Methods and Practice (Fourth ed.). London: Thames & Hudson. pp. 144–145. ISBN0-500-28441-5.
