1. Historical trajectories and corporate competences in wind energy historical trajectories and corporate competences in wind energy;Jones,2011
2. IRENA. Technologies. Undated. https://www.irena.org/Statistics/View-Data-by-Topic/Capacity-and-Generation/Technologies.
3. Global market outlook for photovoltaics 2014-2018;Masson,2014
4. Statistical review of world energy;BP,2020
5. The coal question; an inquiry concerning the progress of the nation, and the probable exhaustion of our coal-mines;Jevons,1865