1. World Health Organization.
http://www.who.int/violence_injury_prevention/road_safety_status/2015/GSRR2015_Summary_EN_final.pdf
2. International Transport Forum.
http://www.itf-oecd.org/road-safety-seminar-safe-system
3. McKinsey.
http://transact.org/mckinsey-report-urban-mobility-tipping-point/
4. Urban Land Institute: Active Transportation and Real Estate: The Next Frontier. Urban Land Institute, Washington (2016)
5. Bredal, F.: The case of Copenhagen. In: Roethig, M., Efimenko, D. (eds.) Changing Urban Traffic and the Role of Bicycles. Russian and International Experiences, pp. 24–28. Friedrich-Ebert-Stiftung, Moscow (2014)