WAGENAAR, C. In memoriam Koos Bosma (1952-2015). Bulletin KNOB, [S. l.], v. 114, n. 4, p. 209-210, 2015. DOI: 10.7480/knob.114.2015.4.1167. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/66. Acesso em: 21 jan. 2021.