Monzón de Cáceres, Andrés and Ortega Pérez, Emilio and López Suárez, Elena (2013). Efficiency and spatial equity impacts of high-speed rail extensions in urban areas. "Cities", v. 30 ; pp. 18-30. ISSN 0264-2751. https://doi.org/10.1016/j.cities.2011.11.002.