- Plate Depth Refinement Applied to a Deep Cantilevered Beam,
W.C. Christie and J.W. Bull
Paper 115 from CCP: 81, ISBN 1-905088-02-7 (2005)
- Self Designing Structures - A New Approach to Low Weight, Low Stress Structures,
J.W. Bull, C.H. Woodford, C. Christie and M.N. James
Paper 16.2 from CCP: 55, ISBN 0-948749-57-1 (1998)