1. Embargo threats and the management of emergency reserves;Bergström;Journal of Political Economy,1985
2. Creti, Anna, Villeneuve, Bertrand, 2008. Equilibrium Storage in a Markov Economy. Available at: http://83.145.66.219/ckfinder/userfiles/files/pageperso/bvilleneuve/Markovian.pdf.
3. Bargaining, strategic reserves, and international trade in exhaustible resources;Crawford;American Journal of Agricultural Economics,1984
4. European Union energy & transport in figures,2006
5. DTI, 2006. The Energy Challenge. Energy Review Report presented to the Parliament by the Secretary of the Department of Trade and Industry, London.