1. Macroscopic measurements of creep damage in metals;Bråthe;Scand. J. Metalt.,1978
2. Ultrasonic measurement of creep damage in steel;Stigh;Revue d'acoustique,1983
3. Etude des Possibilite's de Mesure de L'Endommagement par des techniques ultrasonores;Berthaud,1983
4. On the time to failure under creep conditions;Kachanov;Izv. Akad. Nauk SSSR, Otd. tekhn.,1958
5. On the equation of state for creep;Rabotnov,1963