Richard Roff
- Advancing tunnelling: the Victorian engineering management legacy. Dans: Proceedings of the Institution of Civil Engineers - Forensic Engineering, v. 171, n. 2 (mai 2018). (2018):
- Advancing tunnelling: recognising a UK engineering legacy. Dans: Proceedings of the Institution of Civil Engineers - Forensic Engineering, v. 170, n. 4 (novembre 2017). (2017):