Guth, Dennis, Stefan Siedentop, and Christian Holz-Rau. 2012. “Forced or Excessive Commuting? The Impact of Urban Spatial Structure on the Journey to Work”. Raumforschung Und Raumordnung | Spatial Research and Planning 70 (6): 485–499. https://doi.org/10.1007/s13147-012-0196-5.