1. European Commission. Code of Conduct on Data Centres, Energy Efficiency—Version 2.0. November 2009.
2. Growth in data center electricity use 2005–2010;Koomey,2011
3. Johnson P, Marker T. Data center energy efficiency product profile. Pitt & Sherry, Report to Equipment Energy Efficiency Committee (E3) of The Australian Government Department of the Environment, Water, Heritage and the Arts (DEWHA); April 2009.
4. Intel Information Technology. Reducing data center cost with an air economizer. IT@Intel Brief; computer manufacturing. energy efficiency; August 2008.
5. Miller R. Microsoft’s chiller-less data center. Data center knowledge; September 2009.