@book{WalaBaumuellerKrimmel,
  author    = {Wala, Thomas and Baum{\"u}ller, Josef and Krimmel, Kathrin},
  title     = {Buchhaltung, Bilanzierung und Steuern},
  volume    = {2019},
  publisher = {Verlag {\"O}sterreich},
  address   = {Wien},
  publisher      = {Fachhochschule Technikum Wien},
  subject      = {Accounting},
  language  = {de}
}
@article{Wala,
  author    = {Wala, Thomas},
  title     = {Die betriebswirtschaftliche Klausur: Rechnungswesen},
  series = {WISU},
  volume    = {2019},
  journal   = {WISU},
  number    = {3},
  pages     = {322 ff},
  subject      = {Accounting},
  language  = {de}
}
@article{WalaBaumueller,
  author    = {Wala, Thomas and Baum{\"u}ller, Josef},
  title     = {Der "Fall Steinhof". Ein spektakul{\"a}rer Bilanzskandal},
  series = {CFO Aktuell},
  journal   = {CFO Aktuell},
  number    = {2},
  pages     = {68ff},
  subject      = {Accounting},
  language  = {de}
}