Guillermo Ayuso
- (2014): Accessways to the western Entrance to the "Dos Valiras" tunnel. Présenté pendant: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014.
- (2014): Stayed Viaduct in Bucaramanga, Colombia. Présenté pendant: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014.