1. Evaluation of high energy rate forged gears with integral teeth;Parkinson;Western Gear Corporation, Lynwood, California, U.S.A. U.S. Army Contract DA 44-177-AMC-321 (T),1964
2. Pneumatic-mechanical forging — state of the art;Miller,1967
3. Forging of spur gears on a high speed forge;Kobyskovsky;Kuznechno-shtamp. Proizv.,1967
4. A.R.O. Abdel-Rahman and T.A. Dean, The quality of hot forged spur gear forms. Part I: Mechanical and metallurgical properties Int. J. Mach. Tool Des. Res.21, 109–127.
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