1. Spread and elongation in flat tool forging;Tomlinson;J. Iron Steel Inst.,1959
2. An upper bound approach to plane strain forging and extrusion—I;Kudo;Int. J. Mech. Sci.,1960
3. Flat bar forging;Baraya,1975
4. An upper bound solution for flat tool forging taking into account the bulging of sides;Sugar;Int. J. Mech. Sci.,1979
5. An upper bound approximation for spread and pressure in flat tool forging;Braun-Angot,1982