Frank, S. 2018. Inner-City Suburbanization – no Contradiction in Terms. Middle-Class Family Enclaves are Spreading in the Cities. Raumforschung und Raumordnung | Spatial Research and Planning. 76, 2 (Apr. 2018), 123–132. DOI:https://doi.org/10.1007/s13147-016-0444-1.