1. Strachey C., “Review of Planning a Computer System”, Comp. J., 5, 2 (July, 1962), pp. 152-153.
2. 这仅仅适用于控制程序. OS/360项目中的一些编译器开发团队正构建他们的第三个或第四个系统, 他们卓越的产品展示了这一点.
3. Shell, D. L., “The Share 709 systems: a cooperative effort”; Greenwald, I. D., and M. Kane, “The Share 709 system: programming and modification”; Boehm E. M., and T. B. Steel, Jr. “The Share 709 system: machine implementation of symbolic programming”; all in JACM, 6, 2(April, 1959), pp. 123-140.
