PRINCE, H. C. Pits und Ponds in Norfolk. ERDKUNDE, [S. l.], v. 16, n. 1, p. 10–31, 1962. DOI: 10.3112/erdkunde.1962.01.02. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1365. Acesso em: 3 dec. 2024.