GREGORY, I. An ancient acacia wood Oregon. Journal of Palaeosciences, [S. l.], v. 20, n. 1-3, p. 19–21, 1971. DOI: 10.54991/jop.1971.883. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/883. Acesso em: 25 may. 2024.