Jan Hellings
- Sustainable site clean-up from megaprojects: lessons from London 2012. Dans: Proceedings of the Institution of Civil Engineers - Engineering Sustainability, v. 168, n. 2 (avril 2015). (2015):
- Delivering London 2012: geotechnical enabling works. Dans: Proceedings of the Institution of Civil Engineers - Civil Engineering, v. 164, n. 6 (novembre 2011). (2011):