1. Acherkan, N., et al., 1973, Machine Tool Design, Vol. 2., MIR Publisher.
2. Ber A. , RotbergJ., and ZombackS., 1988, “A Method for Evaluation of End Mill Cutting,” CIRP Annals, Vol. 37, No. 1, pp. 37–40.
3. Boltyanskii, V. C., 1964, Envelopes, Macmillan Company.
4. Chakraborty, J., and Dhande, S. G., 1977, Kinematics and Geometry of Planar and Spatial Cam Mechanisms, Wiley Eastern, New Delhi.
5. Chang, T. C., and Wysk, R. A., 1985, An Introduction to Automated Process Planning Systems, Prentice Hall, Inc., Englewood, New Jersey.