PAGE, K. N. . The Lower Jurassic of Europe: its subdivision and correlation. GEUS Bulletin, Copenhagen, Denmark, v. 1, p. 21–59, 2003. DOI: 10.34194/geusb.v1.4646. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4646. Acesso em: 3 oct. 2022.