1. Power loss: the origins of deregulation and restructuring in the american electric utility system;Hirsh,2002
2. Energy politics;Davis,1993
3. National Academy of Engineering. Greatest engineering achievements of the twentieth century. National Academy of Engineering; 2004.
4. American Society of Civil Engineers. 2013 Report Card for America’s Infrastructure | Grades, American Society of Civil Engineers. [Online]. Available 〈〈http://www.infrastructurereportcard.org/grades/〉〉; 2014 [accessed 20.03.15].
5. Distributed energy resources and benefits to the environment;Akorede;Renew Sustain Energy Rev,2010