1.Gears with round flanks for fine mechanics; calculation and design of wheel and pignon
精密机械的齿轮摆线啮合.轮和传动装置的计算与设计
2.Gears with round flanks for fine mechanics; tolerances and permissible devations for wheel and pignon
精密机械的齿轮摆线啮合.齿轮和传动的公差和允许偏差