@misc{RoggeFreyStrassneretal.2015,
  author    = {Rogge, N. and Frey, U. and Strassner, C and Theesfeld, I.},
  title     = {Categorizing Urban Commons - Collective Action in Urban Gardens. Im Rahmen der 1st IASC Thematic Conference on Urban Commons. Track 1: Where do the urban commons come from? Bologna, Italy, 06-07.11.2015},
  year      = {2015},
  language  = {en}
}
@article{RoggeTheesfeldStrassner2018,
  author    = {Rogge, N and Theesfeld, I and Strassner, C},
  title     = {Social Sustainability through Social Interaction—A National Survey on Community Gardens in Germany},
  series = {Sustainability},
  journal   = {Sustainability},
  doi       = {10.3390/su10041085},
  pages     = {1085 -- 1085},
  year      = {2018},
  language  = {en}
}