1. Calculation of Load Capacity of Spur and Helical Gears. ISO/DIS 6336/1. pp. 74–80 (1983)
2. AGMA Standard No. 215-01. American Gear Manufacturers Association (1966)
3. Calculation of load capacity of cylindrical gears. DIN. 3990 (1987)
4. Aslantas, K., et al.: A study of spur gear pitting formation and life prediction. Technical Education Faculty, Afyon Kocatepe University, Afyon, Turkey (Aug 2004)
5. Ural, A., et al.: Three-Dimensional, Parallel, Finite Element Simulation of Fatigue Crack Growth in a Spiral Bevel Pinion Gear. Cornell Fracture Group, Rhodes Hall, Ithaca, NY 14850 (Aug 2004)