Zitat
S. Behren, C. Minster, M. Magdolen, B. Chlond, M. Hunecke, and P. Vortisch, “Bringing travel behavior and attitudes together,” in TRB Annual Meeting 2018 : compendium of papers : January 7-11, 2018, Washington, DC, Washington, DC: TRB, Transportation Research Board of the National Academies, 2018, p. ohne Seitenangabe-ohne Seitenangabe.