Cleaning and retouching. The restoration of the sandstone façades of the Royal Palace in Amsterdam. Bulletin KNOB, [S. l.], v. 112, n. 2, p. 112–121, 2013. DOI: 10.7480/knob.112.2013.2.622. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/64. Acesso em: 21 apr. 2026.