NIJHUIS, S.; BERTRAM, C.; SOMER, K. Voorwoord . Bulletin KNOB, [S. l.], v. 120, n. 4, p. 1-3, 2021. DOI: 10.48003/knob.120.2021.4.727. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/727. Acesso em: 18 jan. 2022.