1. Andrew Fanara, et al., United states environmental protection agency. Report to Congress on server and data center energy efficiency. 2007. Retrieved August 25, 2015. Available: http://www.energystar.gov/ia/partners/prod_development/downloads/EPA_Datacenter_Report_Congress_Final1.pdf?f44f-d370.
2. C. Belady, Green grid data center power efficiency metrics, PUE and DCIE. White paper: Metrics & Measurements. 2007. Retrieved December 5, 2014. http://www.thegreengrid.org.
3. Computational fluid dynamic investigation of liquid rack cooling in data centres;Almoli;Appl. Energ.,2012
4. J.Z. Zhai, K.A. Hermansen, S. Al-Saadi, The Development of Simplified Rack Boundary Conditions for Numerical Data Center Models, ASHRAE Research Project SA-12-009 (RP-1487), 2011.
5. Effect of rack modeling detail on the numerical result of a data center test cell;Zhang,2008