1. Some experiments on the influence of various factors on drill performance;Galloway;Trans. ASME,1957
2. Analysis and design of a drill grinder and evaluation of grinding parameters;Fujii;Trans. ASME Ser. B,1972
3. A mathematical model for drill point design and grinding;Tsai;Trans. ASME,1979
4. The Production of Uncoventional Twist Drill Points;Fugelso,1979
5. A microprocessor controlled twist drill grinder for automated drill point production;Fugelso;J. Engng for Ind. Trans. ASME,1979