KIKUCHI, R.; JORGE, R. G.; FERREIRA, C. S. S. Carbon cycle in the paleoenvironment: an abrupt increase of biogenic carbon in the end-Cretaceous atmosphere. Ecocycles, [S. l.], v. 3, n. 1, p. 6-12, 2017. DOI: 10.19040/ecocycles.v3i1.66. Disponível em: https://www.ecocycles.net/ojs/index.php/ecocycles/article/view/66. Acesso em: 3 dec. 2020.