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www.bp.com/content/dam/bp/en/corporate/pdf/energy-economics/statistical-review-2017/bp-statistical-review-of-world-energy-2017-full-report.pdf
(2017)
2. BP: BP Energy Outlook: 2018 edition,
www.bp.com/content/dam/bp/en/corporate/pdf/energy-economics/energy-outlook/bp-energy-outlook-2018.pdf
(2018)
3. Bernard, L. et al.: ‘Time scales and mechanisms of economic cycles: a review of theories of long waves’, Political Economy Research Institute Working Paper No. 337, 1–21, University of Massachusetts (2013)
4. Carbon Dioxide Information Analysis Center:
http://cdiac.ess-dive.lbl.gov
(2017)
5. Energy Information Administration (EIA): ‘How much coal, natural gas, or petroleum is used to generate a kilowatthour of electricity?’.
www.eia.gov/tools/faqs/faq.cfm?id=667&t=6
(2016)