@article{Broschinski2020,
  author    = {Christoph Broschinski},
  title     = {University of Frankfurt reports its 2019 APC expenditures},
  journal   = {Datasets on fee-based Open Access Publishing},
  number    = {May 18, 2020},
  url       = {https://openapc.github.io/general/openapc/2020/05/18/frankfurt/},
  year      = {2020},
}