1. “Development of a quantitative sheet galling test”;Bernick;Wear,1978
2. Y. Deleon, J. Daigne, G. Lefevre and R. El Haik, Congr. of the International Deep Drawing Research Group, S. Margherita Ligure, (1982), Associazione Italiana di Metallurgia, p. 355.
3. Congr. of the International Deep Drawing Research Group;Miyauchi,1978
4. “Etude de l'étirage plan dissymétrique”;Delamare;Mem. Sci. Rev. Metll.,1983
5. “A reliable method for measuring the friction coefficient in sheet metal forming”;Sulonen,1981