1. E.J.A. Armarego and R.H. Brown, The machining of metlas (Prentice-Hall Inc., Englewood Cliffs, NJ, 1969).
2. Working Paper, 77–2;J.L. Arthur,1977
3. A. Bhattacharyya, R. Faria-Gonzalez and I. Ham, “Regression analysis for predicting surface finish and its application in the determination of optimum machining conditions”, Journal of Engineering for Industry, Transactions of the American Society of Mechanical Engineers 92 (1970) 711–714.
4. R.C. Brewer, “Machining economics and industrial data manuals”, Annals of the CIRP 14 (1966) 11–17.
5. B. Colding, “Machining economics and industrial data manuals”, Annals of the CIRP 17 (1969) 279–288.