1. Anonymous, “Terminal Area Forecast Summary, Fiscal Years 2004–2020,” Report No. FAA-APO-05-1, U.S. Department of Transportation, Federal Aviation Administration, Mar. 2005.
2. Exploring complex networks;Strogatz;Nature,2001
3. “Error and attack tolerance of complex networks,”;Albert;Nature,2000
4. The structure and function of complex networks;Newman;SIAM Review,2003
5. “Graph structure in the web,”;Broder;Computer Networks,2000