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2. Practical Gear Design;Dudley,1982
3. Helical gears with circular arc teeth: simulation of conditions of meshing and bearing contact;Litvin;Transactions of the ASME, ASME Journal of Mechanisms Transmissions Automation Design,1985
4. Methods for generation of gear tooth surface and basic principals of computer aided tooth contact analysis;Litvin;Proceeding of Computers in Engineering,1985
5. The Geometry of Involute Gears;Colbourne,1987