1. Inventing the Internet;Abbate,2000
2. Error and attack tolerance of complex networks;Albert;Nature,2000
3. Design of stacked self-healing rings using a genetic algorithm;Armony;J. Heuristics,2000
4. Associated Press, 2001. Fire in Baltimore Snarls Internet Traffic, Too. URL: http://www.nytimes.com/2001/07/20/technology/20BALT.html
5. Baran, P., 1964a. On Distributed Communications. Twelve volumes. Rand Report Series