@article{Wala,
  author    = {Wala, Thomas},
  title     = {Internes Crowdfunding. Funktionsweise und Vorteile im {\"U}berblick},
  series = {CFO Aktuell},
  journal   = {CFO Aktuell},
  number    = {5},
  pages     = {179},
  subject      = {Crowdfunding},
  language  = {de}
}
@article{WalaFelleitner,
  author    = {Wala, Thomas and Felleitner, Katharina},
  title     = {Die betriebswirtschaftliche Klausur: Finanzierung},
  series = {WISU},
  volume    = {2018},
  journal   = {WISU},
  number    = {11},
  pages     = {1242 ff},
  subject      = {Financing},
  language  = {de}
}