Thirty years of regional archeological research in Rotterdam and Maas-delta surroundings. Bulletin KNOB, [S. l.], v. 89, n. 2, p. 15–19, 1990. DOI: 10.7480/knob.89.1990.2.515. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/vanTrierum15. Acesso em: 21 apr. 2026.