1. , , , , , . Electricity used by office equipment and network equipment in the US: Detailed report and appendices. Technical Report LBNL-45917, Lawrence Berkeley National Laboratory, February 2001.
2. . www.internet.co2, 2004. URL: http://library.iea.org/dbtw-wpd/Textbase/weo/ papers/ictfeb02/THOMAS.PDF.
3. , . Energy consumption by office telecommunications equipment in commercial buildings volume 1: Energy consumption baseline. Arthur D. Little Reference No. 72895-00, January 2002.
4. , , , , . After-hours power status of office equipment and inventory of miscellaneous plug-load equipment. Technical Report LBNL-53729, Lawrence Berkeley National Laboratory, January 2004.
5. The next frontier for communications networks: Power management. Proceedings of SPIE—Performance and Control of Next-Generation Communications Networks, Vol. 5244, pp. 1-4, September 2003.