1. A plasticity theory for porous solids;Green;Int. J. Mech. Sci.,1972
2. Theory of plasticity for porous materials;Oyane;Bull. JSME,1973
3. Deformation characteristics and plasticity theory of sintered powder materials;Kuhn;Int. J. Powder Met.,1971
4. S.M. Doraivelu, et al., A new yield function for compressible P/M materials, Int. J. Mech. Sci. 26 (1984) 527.
5. G.M. Zhdaanovich, Theory of compaction of metal powders, Unpublished Report, Technology Division, Wright–Patterson Air force Base, Dayton, OH, USA, 1970.