HERNGREEN, G F Waldemar; KOUWE, Wim F P; WONG, Theo E. The Jurassic of the Netherlands. GEUS Bulletin, Copenhagen, Denmark, v. 1, p. 217–230, 2003. DOI: 10.34194/geusb.v1.4652. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4652. Acesso em: 10 dec. 2025.