PIEK, M.; SOREL, N.; VAN MIDDELKOOP, M. Preserving panoramic views along motorways through policy. Research in Urbanism Series, [S. l.], v. 2, p. 261–275, 2011. DOI: 10.7480/rius.2.215. Disponível em: https://rius.ac/index.php/rius/article/view/50. Acesso em: 30 jun. 2022.