1. AEA (Austrian Energy Agency) 2008 Energy in Central and Eastern Europe (http://www.eva.ac.at/enercee) Accessed 9 May 2008
2. Lost Geographies of Power
3. BBC News 2006 Italy hit by Russian gas shortage (http://news.bbc.co.uk/1/hi/business/4625092.stm) Accessed 1 August 2008
4. Do not despair: there is life after constructivism;Bijker;Science, Technology and Human Values,1993