WALLERT, Arie. Drie halen, één betalen. The Rijksmuseum Bulletin, [S. l.], v. 54, n. 2, p. 144–153, 2006. DOI: 10.52476/trb.18578. Disponível em: https://bulletin.rijksmuseum.nl/article/view/18578.. Acesso em: 13 aug. 2025.