The ’Dutch school’ of fortification theory. Bulletin KNOB, [S. l.], v. 95, n. 1, p. 12–23, 1996. DOI: 10.7480/knob.95.1996.1.419. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/Paar12. Acesso em: 21 apr. 2026.