1. Some controversial and curious developments in the plastic theory of structures;Wood,1968
2. Load-deflection curves for elastic-softening beams;Darvall;J. Struct. Div., Am. Soc. Civ. Eng.,1984
3. Instability of Continuous System;Maier,1971
4. Dynamic plastic failure of a free-free beam;Jones;Int. J. Impact Engng,1987
5. Dynamic collapse of strain-softening cantilever beams;Martin,1989