1. D. McLean, ‘Mechanical Properties of Metals and Alloys’. 1962: New York and London (John Wiley).
2. P. Haasen, ‘Physical Metallurgy’(edited by R. W. W), p. 821. 1965: Amsterdam (North Holland).
3. Precipitation hardening
4. M. W. Thompson, ‘Defects and Radiation Damage’. 1969: Cambridge (Univ. Press).