@article{MadrugadeBritoOttoKuhlicke2021,
  author    = {Mariana Madruga de Brito and Danny Otto and Christian Kuhlicke},
  title     = {Tracking topics and frames regarding sustainability transformations during the onset of the COVID-19 crisis},
  journal   = {Sustainability / Multidisciplinary Digital Publishing Institute (MDPI)},
  volume    = {13},
  number    = {19},
  doi       = {10.3390/su131911095},
  year      = {2021},
}