@techreport{Anheier2022,
  author    = {Anheier, Helmut K.},
  title     = {Ranking System},
  editor    = {Anheier, Helmut K.},
  doi       = {10.17901/ecp.2022.075},
  pages     = {4},
  year      = {2022},
  language  = {en}
}