1. Analytical Mechanics of Gears;Buckingham,1963
2. Gear Geometry and Applied Theory;Litvin,1994
3. Structural analysis of asymmetrical teeth: reduction of size and weight;DiFrancesco;Gear Technology,1997
4. Acoustic vibration characteristics of high contact ratio planetary gears;Yoerkie;The Journal of American Helicopter Society,1984
5. Aviation Gear Drives and Reducers: Handbook,1981