@phdthesis{Werk2021,
  author    = {Werk, Katharina},
  title     = {Risk-taking behavior as a hidden factor for sustainable business models' performance of European banks},
  pages     = {xxiv, 299},
  year      = {2021},
  language  = {en}
}
@phdthesis{Cirullies2016,
  author    = {Cirullies, Jan},
  title     = {Methodische Erweiterung des Supply Chain Designs zur Integration einer {\"o}kologischen Bewertung},
  publisher = {Verlag Praxiswissen},
  address   = {Dortmund},
  isbn      = {978-3-86975-119-1},
  pages     = {XIII, 230},
  year      = {2016},
  language  = {de}
}
@phdthesis{Platzhoff2009,
  author    = {Platzhoff, Elke},
  title     = {Arbeitnehmer{\"u}berlassung und Legitimit{\"a}t},
  publisher = {GUC - Verlag der Gesellschaft f{\"u}r Unternehmensrechnung und Controlling m.b.H.},
  address   = {Chemnitz},
  isbn      = {978-3-934235-79-3},
  pages     = {XIII, 323},
  year      = {2009},
  language  = {de}
}
@phdthesis{Heiland2001,
  author    = {Heiland, Thomas},
  title     = {Marketing und Wettbewerb im deutschen Hochschulsystem : eine empirische und implikationenorientierte Analyse},
  publisher = {Deutscher Universit{\"a}ts-Verlag},
  address   = {Wiesbaden},
  isbn      = {3-8244-0578-4},
  pages     = {XXIV, 453},
  year      = {2001},
  language  = {de}
}