Weber, J. ., & Sandtner, M. . (1999). The use of surface structures in the description of urban spaces: A contribution to the mapping, analysis and evaluation of sustainable yrban development: The example of Munich. Raumforschung Und Raumordnung | Spatial Research and Planning, 57(5-6), 410–417. https://doi.org/10.1007/BF03184509