Searching for space. New light shed on medieval plans for completion of the nave of Utrecht cathedral in southward direction. Bulletin KNOB, [S. l.], v. 111, n. 3, p. 133–141, 2012. DOI: 10.7480/knob.111.2012.3.89. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/vanDoesburg133. Acesso em: 21 apr. 2026.