2IEEE Std 1474.1 - 1999. Institute of Electrical and Electronics Engineers, Inc. IEEE Standard for Communications- Based Train Control (CBTC) Performance and Functional Requirements. New York. 1999:5 - 8.
3ANSI. IEEEl 474. 1 2004 Communications-Based Train Control (CBTC) Performance and Functional Pequirements[S].
