1. SATCAT Boxscore website. Retrieved April 29, 2009. http://celestrak.com/satcat/boxscore.asp.
2. Satellite Networking - Principles and Protocols”;Sun,2005
3. Optical satellite networks
4. Low Earth Orbital Satellites for Personal Communication Networks;Jamalipour,1999
5. O. Bands, B. Laurent, and G. Draka, “From O to L: The Future of optical wavelength-bands”. http://www.broadbandproperties.com, June 2008, pp. 83-85.