ZWEGERS, B. De Munsterabdij van Roermond. Bulletin KNOB, [S. l.], v. 121, n. 1, p. 47–48, 2022. DOI: 10.48003/knob.121.2022.1.739. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/739. Acesso em: 20 mei. 2022.