1. Computer Application to the Visioplasticity Method;Shabaik;J. Eng. Ind.,1967
2. Thomsen, E. G., Visioplasticity., Annals of the CIRP (1963/64), 127-133
3. Visioplastische Deformations und Spannungsermittlung;Bredendick;Die Technik,1969
4. Danckert, J., Model Material Technique Applied in the Analysis of Extrusion., Proc. 15th NAMRAC (1985), San Francisco, USA
5. Shabaik, A., Thomsen, E. G., Computer Aided Visioplasticity Solution of Some Deformation Problems., Proc. Int. Symp. Fund. Plast., (1972) 177–199, Walsaw, poland.