1. 'The Theory of Stress-Corrosion Cracking in Alloys' (edited by J. C. Scully). 1971: Brussels (NATO Scientific Affairs Division).
2. B. F. Brown, Ref. 1,p. 186.
3. F. A. Champion, 'Symposium on Internal Stresses in Metals and Alloys', p. 468. 1948: London (Inst. Metals).