P. R. Atkins
- Condition assessment of the surface and buried infrastructure – A proposal for integration. In: Tunnelling and Underground Space Technology, v. 28 (März 2012). (2012):
- Condition assessment of the buried utility service infrastructure. In: Tunnelling and Underground Space Technology, v. 28 (März 2012). (2012):
- Mapping the Underworld – State-of-the-art review. In: Tunnelling and Underground Space Technology, v. 22, n. 5-6 (September 2007). (2007):