1. Thrust and Torque Prediction in Drilling from a Cutting Mechanics Approach;Wiriyacosol;Annals of the CIRP,1979
2. Helix Angle and Drill Performance;Lorenz;Annals of the CIRP,1979
3. An Experimental Investigation of Sheet Metal Drilling;Shikata;Annals of the CIRP,1980
4. Kahng, C.H. and Koegler, W.C.: A Study of Chip Breaking during Twist Drilling, SME Manufacturing Engineering Trans. (1977)8.
5. Investigation in Tool Life of Twist Drills;Kaldor;Annals of the CIRP,1980