[1]
Volgmann, K. 2014. Dynamics of Metropolitan Functions in German Polycentric Urban System: Spatial Pattern of Concentration and Functional Specialization. Raumforschung und Raumordnung | Spatial Research and Planning. 72, 1 (Feb. 2014), 21–37. DOI:https://doi.org/10.1007/s13147-013-0264-5.