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Manual of Gear Design (Revised) Combined Edition, Volumes 1, 2 and 3: Horton, Holbrook: 9780831131166: Amazon.com: Books
Design and Application of the Worm Gear: Crosher, William P.: 9780791801789: Amazon.com: Books
Gear Design Simplified (Volume 1): Jones, Franklin D., Ryffel, Henry: 9780831111595: Amazon.com: Books
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