Páginas de consulta de libros electrónicos

http://www.princeton.edu/~ota/disk3/1982/8206_n.html

"Energy Efficiency of Buildings in Cities"
 by United States Congress Office of Technology Assessment, march 1982.

Hard Truths: Facing the Hard Truths About Energy, A Comprehensive View to 2030 of Global Oil and Natural Gas (2007), by National Petroleum Council

Sustainable Energy Without the Hot Air (electronic edition, c2009), by David J. C. MacKay