Chiquetto, Sergio (1997). "The Environmental Impacts from the Implementation of a Pedestrianization Scheme". Transportation Research Part D: Transport and Environment. 2 (2): 133–146. Bibcode:1997TRPD....2..133C. doi:10.1016/S1361-9209(96)00016-8.
Castillo-Manzano, José; Lopez-Valpuesta, Lourdes; Asencio-Flores, Juan P. (2014). "Extending pedestrianization processes outside the old city center; conflict and benefits in the case of the city of Seville". Habitat International. 44: 194–201. doi:10.1016/j.habitatint.2014.06.005. hdl:11441/148812.
Castillo-Manzano, José; Lopez-Valpuesta, Lourdes; Asencio-Flores, Juan P. (2014). "Extending pedestrianization processes outside the old city center; conflict and benefits in the case of the city of Seville". Habitat International. 44: 194–201. doi:10.1016/j.habitatint.2014.06.005. hdl:11441/148812.
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Chiquetto, Sergio (1997). "The Environmental Impacts from the Implementation of a Pedestrianization Scheme". Transportation Research Part D: Transport and Environment. 2 (2): 133–146. Bibcode:1997TRPD....2..133C. doi:10.1016/S1361-9209(96)00016-8.