Denham, Tim P.; et al. (2003): «Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea». Science 301 (5630): 189–193. doi:10.1126/science.1085255. PMID 12817084. Se også: The Kuk Early Agricultural Site
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Denham, Tim P.; et al. (2003): «Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea». Science 301 (5630): 189–193. doi:10.1126/science.1085255. PMID 12817084. Se også: The Kuk Early Agricultural Site