1. (3) Rabotnov, Yu.N., Creep Problems in Structural Members, (1969), Amsterdam, North-Holland.
2. Creep rupture under multi-axial states of stress
3. (5) Hostert, B., Beitrag zum Kriechverhalten von Al 99, 98 unter Druck- and Zugbeanspruchung, Ph.D. Thesis, (1975), RWTH Aachen.