G. N. Olsen
- Liverpool's Drainage History: Seventeenth Century To Mepas.. In: Proceedings of the Institution of Civil Engineers - Municipal Engineer, v. 121, n. 2 (June 1997). (1997):
- The Mersey Estuary Pollution Alleviation Scheme: Liverpool interceptor sewers. In: Proceedings of the Institution of Civil Engineers - Maritime Engineering, v. 148, n. 4 (December 2001). (2001):