BRADSHAW, E. G. .; RASMUSSEN, P. . Using the geological record to assess the changing status of Danish lakes. GEUS Bulletin, Copenhagen, Denmark, v. 4, p. 37–40, 2004. DOI: 10.34194/geusb.v4.4778. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4778. Acesso em: 9 aug. 2022.