BOEREFIJN, W. Introductie. Bulletin KNOB, [S. l.], v. 102, n. 4-5, p. 121, 2003. DOI: 10.7480/knob.102.2003.4-5.299. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/Boerefijn121. Acesso em: 9 mei. 2024.