1. Ashby M.F., Microstructure and Design of Alloys. Proc. 3rd ICSMA; Institute Metals and Iron and Steel Inst. 1973 2 p.8.
2. Mechanical Metallurgy;Dieter,1976
3. Physical Properties of Crystals;Nye,1972
4. Fundamentals of Fracture Mechanics;Knott,1973
5. Embury J.D. and LeRoy G.H., Fracture 1977, Proc. ICF4, Ed. D.M.R. Taplin, Pergamon 1978 p.15.