P. D. Hibbert
- Bounding Plane Stress Solutions by Finite Elements. Dans: Journal of the Structural Division (ASCE), v. 92, n. 1 (février 1966). (1966):
- Stress Concentration in Timber Beams. Dans: Journal of the Structural Division (ASCE), v. 93, n. 2 (avril 1967). (1967):