SWEET, A. R. Plants, a Yardstick for Measuring the Environmental Consequences of the Cretaceous-Tertiary Boundary Event. Geoscience Canada, [S. l.], v. 28, n. 3, 2001. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/4087. Acesso em: 28 mar. 2024.