REFERENCES
Bibliography
1. Mechanical Engineering Information, www.roymech.co.uk
2. N. K. Mehta, Machine Tool Design and Numerical Control, McGraw-Hill Publishing, pp173
Webliography
1. http://www.scribd.com/doc/63415008/Cornus-Print
2. cornus method
3. http://www.maths.tcd.ie/~rshort/college/SFlabs/Cornu%20Method.pdf