Musil, R. and Eder, J. 2017. Is there a Need for Proximity in the Urban Knowledge Economy? A Geostatistical Analysis of Research Cluster in Vienna. Raumforschung und Raumordnung | Spatial Research and Planning. 75, 2 (Apr. 2017), 93–107. DOI:https://doi.org/10.1007/s13147-016-0458-8.