STEP 2025 : urban development plan Vienna : true urban spirit : short report / Owner and publisher Vienna City Administration, Municipal Department 18 (MA 18) - Urban Development and Planning ; Project leader Michael Rosenberger, MA 18 ; Content and editing Municipal Department 18 (MA 18) - Urban Development and Planning ; Project team MA 18 Birgit Akagündüz-Binder [und 10 weitere]