1. Systems Thinking, Systems Practice;Checkland,1981
2. Ten Questions about Human Error;Dekker,2004
3. A Field Guide to Understanding Human Error;Dekker,2006
4. EUROCAE ED-78A/RTCA DO-264, 2002. Guidelines for Approval of the Provision and Use of Air Traffic Services Supported by Data Communications, March 2002.
5. FAA, 2011. What is NextGen. .