1. Analysis of load–displacement relationship to determine J–R curve and tearing instability material properties;Ernst,1979
2. Direct evaluation of J–resistance curves from load displacement records;Joyce,1980
3. A J-integral approach to development of η-factors;Paris,1980
4. Estimations on J-integral and tearing modulus t from a single specimen test record;Ernst,1981
5. A direct J–R curve analysis of fracture toughness tests;Herrera;J Test Eval,1988