MIDDLETON, Gerard V. J.W. Spencer (1851-1921): His Life in Missouri and Georgia, and Work on Proglacial Lakes. Geoscience Canada, [S. l.], v. 31, n. 4, 2004. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/2774. Acesso em: 28 mar. 2024.