BIELEC, Barbara. A Celebration of Life XVII: Geology on Earth and Mars! Summer Science for Grades 3-5 and 6-8. Proceedings of the Wisconsin Space Conference, [S. l.], 2012. DOI: 10.17307/wsc.v0i0.31. Disponível em: https://dione.carthage.edu/ojs/index.php/wsc/article/view/31. Acesso em: 1 may. 2024.