Escobar, Jaime. «Jaime Escobar - Technical and Operational Feasibility, for the Business Analysis, of Running an AutopistaFerroviariawith Iberian Track Gauge Between Port of Algeciras and Zaragoza-Plaza». Jornada de Jóvenes Investigadores del I3A 8 (diciembre 22, 2020). Accedido mayo 5, 2024. https://papiro.unizar.es/ojs/index.php/jji3a/article/view/4983.