Dia, Hussein: 'Introduction [Low carbon mobility for future cities: principles and applications]' (Transportation, 2017), 'Low Carbon Mobility for Future Cities: Principles and applications', Chap. 1, pp. 1-12, DOI: 10.1049/PBTR006E_ch1 IET Digital Library, https://digital-library.theiet.org/;jsessionid=1lpdhrdn82ls1.x-iet-live-01content/books/10.1049/pbtr006e_ch1