1. An alternative view of R curve testing;Sumpter;Engng. Fract. Mech.,1999
2. Sumpter JDG. Fracture toughness––A measurable materials parameter. In: Hirsch P, Lidbury D, editors. Fracture, plastic flow, and structural integrity. IOM communications. ISBN 1-86125-095-9, June 2000 [chapter 5]
3. Sumpter JDG. Energy dissipation rate as a fracture analysis tool. In: Proceedings of ECF 13, Fracture mechanics: applications and challenges, San Sebastian, Spain, September 2000, Elsevier
4. Sumpter JDG. Energy dissipation rate analysis of a low upper shelf data set. Engng Fract Mech, in press
5. The phenomena of rupture and flow in solids;Griffith;Philos. Trans. Roy. Soc. London A,1920