Thermal fatigue of materials and components : a symposium, Philadelphia, Pa. [i.e. New Orleans], 17-18 Nov., 1975 / sponsored by ASTM Committee E-9 on Thermal Fatigue of Materials and Components [i.e. ASTM Committee E-9 on Fatigue], American Society for Testing and Materials ; D. A. Spera and D. F. Mowbray, editors.