1. DIN 928 – Square weld nuts;Anon,2013
2. Three-dimensional finite element contact algorithm for metal forming;Barata Marques;Int. J. Numer. Methods Eng.,1990
3. The Fabrication and Lubrication of Solids;Bowden,1950
4. Rigid Plastic Finite Element Analysis of Ring Compression. Application of Numerical Methods in Forming Processes, AMD 28;Chen,1978
5. Electrical conduction in solids II. Theory of temperature-dependent conductors;Greenwood,1958