1. Gear Noise and Vibration;Smith,2003
2. Fahrzeuggetriebe, 2. Auflage;Naunheimer,2007
3. Roloff/Matek, Maschinenelemente, Vieweg & Sohn Verlag/Fachverlage GmbH, Wiesbaden, 2005.
4. Kinematic Design of Machines and Mechanisms;Eckhardt,1998
5. ISO 6336-1: Calculation of load capacity of spur and helical gears, part 1: Basic principle, introduction and general influence factors.