1. The phenomena of rupture and flow in solids;Griffith;Phil. Trans. R. Soc.,1920
2. Mathematical analysis in the mechanics of fracture;Rice,1968
3. A path independent integral and the approximate analysis of strain concentration by notches and cracks;Rice;J. appl. Mech.,1968
4. Some further results of J-integral analysis and estimates;Rice;ASTM STP,1973
5. The ubiquitous η factor;Turner;ASTM STP,1980