1. R. Pederson and R. L. Rice:Case Crushing of Carburized and Hardened Gears, Transactions of SAE 1961, p. 250.
2. D. Roempler:The Load Carrying Capacity of Bath Nitrided (Tufftrided) Gears, presented at the Semi-Annual Meeting of the AGMA, St. Louis, MO, Oct. 30–Nov. 2, 1966.
3. E. E. Shipley:Failure Modes in Gears, Gear Manufacture and Performance, American Society for Metals, Materials/Metalworking Technology Series, Metals Park, Ohio, 1974, p. 107.
4. ASM Committee on Failures of Gears:Failures of Gears, Failure Analysis and Prevention,ASM Metals Handbook, vol. 10, 1975, p. 507.
5. G. H. Robinson: “The Effect of Surface Condition on the Fatigue Resistance of Hardened Steel,”Fatigue Durability of Carburized Steel, published by ASM, 1957, p. 43.