OYA, Masahiko; HARUYAMA, Shigeko; HIRAI, Yukihiro. Geomorphologic land classification map of Lake Kasumigaura, Kitaura and their vicinity, East of Tokyo. Geografia Fisica e Dinamica Quaternaria, [S. l.], v. 12, n. 1, p. 47–50, 1989. Disponível em: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/824.. Acesso em: 15 mar. 2025.