@misc{OPUS4-61873,
  title     = {ISOE-Newsletter 4/2021},
  booktitle = {ISOE-Newsletter / Institut f{\"u}r sozial-{\"o}kologische Forschung},
  volume    = {2021},
  number    = {4},
  issn      = {2191-1126},
  url       = {https://www.isoe.de/index.php?id=265},
  institution = {Institut f{\"u}r sozial-{\"o}kologische Forschung (ISOE)},
  type      = {periodicalpart},
  year        = {2021},
}