Newman, Peter: 'Low carbon mobility and reducing automobile dependence' (Transportation, 2017), 'Low Carbon Mobility for Future Cities: Principles and applications', Chap. 4, pp. 65-90, DOI: 10.1049/PBTR006E_ch4
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3mfqcec3sim0k.x-iet-live-01content/books/10.1049/pbtr006e_ch4