1. Elementary Engineering Fracture Mechanics;Broek,1986
2. Empirical investigation on some methods for stopping the growth of fatigue cracks;de Rijk;Nat. Aerospace Inst. Amsterdam, Report TR 70021,1970
3. The repair of fatigue cracks in low-alloy steel sheet;van Leeuwen;Nat. Aerospace Inst. Amsterdam, Report TR 70029,1970
4. Review of some Swedish investigations on fatigue during the period 1967–1969;Eggwirtx;Swedish Aerospace Inst. FFA Report TN-HE-1270,1969
5. Results reported in J. Schijve, Lecture II—Fatigue cracks, plasticity effects and crack closure;Blazewicz;Engng Fracture Mech.,1979