1. Climate Change 2021 – The Physical Science Basis
2. Jaramillo P, et al. Transport. In: Shukla PR, Slade R, Al Khourdajie A, van Diemen R, McCollum D, Pathak M, Some S, Vyas P, Fradera R, Hasija A, Lisboa G, Luz S, Malley J. editors. IPCC, 2022: climate change 2022: mitigation of climate change. Contribution of working group III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge, UK and New York, NY, USA: Cambridge University Press; 2022.
3. UK greenhouse gas emissions. E.I.S Department for Business, HM Government; 2021.
4. Marc Guigon Takashina PLK. Atlas high-speed rail 2022. UIC: Paris: International Union of Railways; 2022.