1. ASME Research Committee, "Dynamic Loads on Gear Teeth,"ASME-1931.
2. Peterson, R. E. "Natural Frequency of Gears," ASME, APM-52-1,1924.
3. Tuplin,W. A,GearLoad Capacity,John Wileyand Sons, 1961.
4. Ozguven,H.N.andHouser,D.R."MathematicalModels Used in Gear Dynamics,"Joumalof Soundand Vi.,Vol. 121.1988.