Hallingbury Footbridge

1. Russell, Helena / Faragher, Jonathan (2022): The Motorway Footbridge as Heritage; a Technical and Artistic Celebration of Thoughtful Design. Vorgetragen bei: Footbridge 2022: Creating Experience, Madrid, Spain, 07-09 September 2022.

   https://doi.org/10.24904/footbridge2022.120

2. Pritchard, B. P. (1975): Unconventional design features on the M11. In: The Consulting Engineer (April 1975).