P. J. Hallsworth
- Compulsory Competitive Tendering. Report Of a Conference Organized By The Ice's North West Division, Held In Manchester On 22 March 1993. In: Proceedings of the Institution of Civil Engineers - Municipal Engineer, v. 98, n. 3 (September 1993). (1993):
- New Technology and The Municipal Engineer.. In: Proceedings of the Institution of Civil Engineers - Municipal Engineer, v. 121, n. 2 (Juni 1997). (1997):