@book{Kuhn2018,
  author    = {Kuhn, Thomas},
  title     = {Grundlagen der App-Entwicklung},
  year      = {2018},
  publisher = {Springer Vieweg},
  address   = {Wiesbaden}
}

@article{Meier2021,
  author  = {Meier, Julia and Schmidt, Peter},
  title   = {Walk-Forward-Validierung in quantitativen Handelssystemen},
  journal = {Zeitschrift für Betriebswirtschaft},
  year    = {2021},
  volume  = {91},
  number  = {4},
  pages   = {455--479}
}

@online{HSNR2026,
  author       = {{Hochschule Niederrhein}},
  title        = {Fachbereich Wirtschaftsingenieurwesen},
  year         = {2026},
  url          = {https://www.hs-niederrhein.de},
  urldate      = {2026-08-27}
}