Energía renovable en inglaterra

http://www.significancemagazine.org/details/webexclusive/4392241/Fuel-prices-the-UK-energy-gap-and-the-consequences-of-ignoring-information_.html

el artículo original

http://onlinelibrary.wiley.com/store/10.1111/j.1740-9713.2012.00614.x/asset/j.1740-9713.2012.00614.x.pdf?v=1&t=hdjroovm&s=3d1516d75695d8e4be044f44eaf6c86083f1600a

Facebook y bases de datos.

http://gigaom.com/2011/07/07/facebook-trapped-in-mysql-fate-worse-than-death/