@book{Poppe2015,
  author    = {Poppe, Martin},
  title     = {Die Maxwellsche Theorie},
  edition   = {1},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-662-45592-0},
  doi       = {10.1007/978-3-662-45593-7},
  pages     = {42},
  year      = {2015},
  language  = {de}
}
@book{ElMafaalaniKurtenbachPeter2015,
  author    = {El-Mafaalani, Aladin and Kurtenbach, Sebastian and Peter, Klaus},
  title     = {"Auf die Adresse kommt es an..." - Segregierte Stadtteile als Problem- und M{\"o}glichkeitsr{\"a}ume begreifen},
  publisher = {Beltz Juventa},
  address   = {Weinheim},
  isbn      = {978-3779932932},
  year      = {2015},
  language  = {de}
}