HELAMA, Samuli. An overview of the calendar year timelines used in quaternary science and human history, with special reference to sub-annual dating. Natural History Sciences, [S. l.], 2026. DOI: 10.4081/nhs.2026.919. Disponível em: https://sisn.pagepress.org/nhs/article/view/919. Acesso em: 25 may. 2026.