STURM, Peter; DIEFENBACH, Nikolaus; ENSELING, Andreas; WERNER, Peter. Vision Zero Emission Cities. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 67, n. 2, p. 170–181, 2009. DOI: 10.1007/BF03185704. Disponível em: https://rur.oekom.de/index.php/rur/article/view/967. Acesso em: 15 aug. 2026.