References
- Broom , T. and Ham , R. K. 1957 . Proc. roy. Soc. A , 242 : 166 1959, Ibid., 251, 186.
- Hull , D. 1958 . Phil. Mag. , 3 : 513
- Rosenberg , H. M. 1958 . Vacancies and other Point Defects in Metals and Alloys , 206 London : Institute of Metals .
- Thompson , N. , Coogan , C. K. and Rider , J. G. 1955 . J. Inst. Met. , 84 : 73