@incollection{OstermannTimpf2021,
  author    = {Frank Ostermann and Sabine Timpf},
  title     = {Evaluating sustainable space appropriation in public parks},
  booktitle = {REAL CORP 007: to plan is not enough: strategies, concepts, plans, projects and their successful implementation in urban, regional and real estate development; Proceedings of 12th International Conference on Urban Planning and Spatial Development in the Information Society and 2nd International Vienna Real Estate Conference, May 20th - 23rd 2007, Vienna},
  editor    = {M. Schrenk and Vasily V. Popovich and Josef Benedikt},
  isbn      = {978-39502139-2-8},
  doi       = {10.5167/uzh-18654},
  year      = {2021},
}