1. How to Use Circle Grid Analysis for Die Tryout;Dinda,1981
2. Forming Limit Diagrams of Thin Deep Drawing Quality Sheet Metals;Buchar,1987
3. The Statistical Evaluation of the Experimental Forming Limit Diagrams;Buchar,1993
4. A New Approach to Sheet Metal Formability Expression;Buchar,1995
5. Through a Circle Grid Analysis to Reduction of the Scrap in the Press Shops;Buchar,1995