1. AGMA 933-B-03. Basic Geometry American Gear Manufacturers Association. 2003.
2. K. M. Abubacker, V. Suresh Babu, “Estimation and Validation of Highest Point Single Tooth Contact in Spur Gears using Spreadsheet Application” International Journal of Modern Science and Technology, 2018, pp. 83–89.
3. Drago RJ. Fundamentals of Gear Design, Division of Reed Publishing Inc. Butterworth Publishers. USA, 1998.
4. V B Bhandari, “Design of Machine Elements Third Edition”, Tata McGraw Hill Education Private Limited
5. PRO/E Based Parametric Design of Spur Gears