@techreport{Schwark2018,
  author    = {J{\"u}rgen Schwark},
  title     = {St{\"a}dteranking Sportgro{\"s}veranstaltungen},
  institution = {Wirtschaft und Informationstechnik Bocholt},
  series    = {Bocholter Hochschulschriften},
  number    = {11},
  year      = {2018},
}