1. Evaluation of high energy rate forged gears with integral teeth;Parkinson;Western Gear Corporation, Lynwood, California, U.S.A. U.S. Army Contract. DA44-177-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