(1)
Guth, D.; Holz-Rau, C. .; Maciolek, M.; Scheiner, J. Employment Suburbanisation, Urban Spatial Structure and Commuter Traffic: Trends in German Metropolitan Areas 1999-2007. RuR 2010, 68 (4), 283–295. https://doi.org/10.1007/s13147-010-0026-6.