OLLIER, Clifford David. Geomorphology and mountain building. Geografia Fisica e Dinamica Quaternaria, [S. l.], v. 3, n. 3, p. 49–60, 1999. Disponível em: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1160.. Acesso em: 9 apr. 2026.