1. D. A. WOODFORD: in 'Creep and fatigue in elevated temperature applications', Section 13, 180.1-180.6; 1973, London, Institution of' Mechanical Engineers
2. J. B. CONWAY: 'Stress rupture parameters: origin, calculation and use', 1969, New York, Gordon and Breach.
3. C. M. SELLARS: in 'Creep strength in steel and high temperature alloys', 20–30: 1974, London, The Metals Society.