Luis Ubalde
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- Airport connection of high-speed lines. Presented at: IABSE Symposium: Metropolitan Habitats and Infrastructure, Shanghai, China, 22-24 September 2004. (2004):
- Incidencia de la grasa en un hormigón estructural. In: Hormigón y acero, v. 45, n. 190 (1st Quarter 1994). (1994):