Shafiee, Shahriar, and Erkan Topal. “When Will Fossil Fuel Reserves Be Diminished?”. Energy Policy, vol. 37, no. 1, 2009, pp. 181-9, https://doi.org/10.1016/j.enpol.2008.08.016.
Shafiee, S., & Topal, E. (2009). When will fossil fuel reserves be diminished?. Energy Policy, 37(1), 181-189. https://doi.org/10.1016/j.enpol.2008.08.016
Shafiee S, Topal E. When will fossil fuel reserves be diminished?. Energy Policy. 2009;37(1):181-9.