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1. Charoud, J.-M. (1992): A86 Ouest en souterrain: un choix majeur de protection de l'environnement. In: Travaux, n. 676 (May 1992), pp. 87-90.
2. Fernández, Leonardo / Ayuso, Guillermo / Fernández, Lucía (2014): Accessways to the western Entrance to the "Dos Valiras" tunnel. Presented at: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, pp. 2004-2009.

   https://doi.org/10.2749/222137814814068427

3. Seo, Myengsoo (2017): Accommodation of Western Modernism in Korean Architecture - A Case Study of Dong-jin Park (1899-1981)-. In: Journal of Asian Architecture and Building Engineering, v. 16, n. 2 (May 2017), pp. 263-270.

   https://doi.org/10.3130/jaabe.16.263

4. Thomson, J. G. (1844): Account of the Land-Slip in Ashley Cutting, on the Line of the Great Western Railway. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 3, n. 1844 ( 1844), pp. 129-133.

   https://doi.org/10.1680/imotp.1844.24535

5. de Buffevent, M. (1950): L'achèvement de l'autoroute de l'Ouest. In: Travaux, n. 190 (August 1950), pp. 619.