Chris Armstrong
- Repairs to electro-slag weld defects on M4 Boston Manor viaduct. Dans: Proceedings of the Institution of Civil Engineers - Bridge Engineering, v. 168, n. 3 (septembre 2015). (2015):
- Collaboration in an emergency: repairing London's M4 Boston Manor viaduct. Dans: Proceedings of the Institution of Civil Engineers - Civil Engineering, v. 167, n. 1 (février 2014). (2014):
- Repairs to electro-slag weld defects on M4 Boston Manor viaduct. Dans: Proceedings of the Institution of Civil Engineers - Bridge Engineering, v. 168, n. 3 (septembre 2015). (2015):
- Diglis swing bridges, UK – a case study of movable timber bridges. Dans: Proceedings of the Institution of Civil Engineers - Bridge Engineering, v. 164, n. 3 (septembre 2011). (2011):