GARCIA-GONZALEZ, Juan Antonio and CRUZ, Marcelo. Mental perceptions of urban space: using underground maps as utopian cartographies for the city of Green Bay (WI, USA). Bulletin of Geography. Socio-economic Series. Online. 25 May 2022. No. 56, pp. 113-123. [Accessed 29 December 2025]. DOI 10.12775/bgss-2022-0016.