@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{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}
}