1. Plane Strain Slip Line Fields: Theory and Bibliography;Johnson,1970
2. The Plastic Deformation of Metals;Goon,1968
3. Flow of plastic and viscoplastic solids with special reference to extrusion and forming processes;Zienkiewicz;Int. J. Num. Meth. in Engng,1974
4. A penalty function approach to problems of plastic flow of metals with large surface deformation;Zienkiewicz,1975
5. Viscous incompressible flow with special reference to non-Newtonian (plastic) flow;Zienkiewicz,1975