1. Hubbert's peak: the impending world oil shortage;Deffeyes,2002
2. Peak oil: the four stages of a new idea;Bardi;Energy,2009
3. Oil price shocks and stock market activity;Sadorsky;Energy Economics,1999
4. The urban component of the energy crisis;Pareto,2008
5. Optimization of potential and autonomy of a photovoltaic system for street lighting;Constatntinos;WSEAS Transactions on Circuits and Systems,2004