HRÁDEK, Mojmír. The Dangerous Role of Dells in Agricultural Landscapes of south Moravia (Czechoslovakia). Geografia Fisica e Dinamica Quaternaria, [S. l.], v. 2, p. 51–62, 1989. Disponível em: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1138.. Acesso em: 23 oct. 2026.