@book{BaurMutzNobisetal.2008,
  author    = {Baur, J{\"u}rgen and Mutz, Michael and Nobis, Tina and R{\"u}bner, Anne and Strahle, Yvonne},
  title     = {Basisdaten zum Programm "Integration durch Sport"},
  series = {Ass-Materialien},
  volume    = {28},
  journal   = {Ass-Materialien},
  address   = {Potsdam},
  issn      = {1615-6129},
  pages     = {38 S.},
  year      = {2008},
  language  = {de}
}
@book{HoltmannMutzBuchheisteretal.2008,
  author    = {Holtmann, Dieter and Mutz, Michael and Buchheister, Claudia and G{\"o}rl, Tilo},
  title     = {Die Sozialstruktur der Bundesrepublik Deutschland im internationalen Vergleich},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  isbn      = {978-3-940793-25-6},
  pages     = {298 S.},
  year      = {2008},
  language  = {de}
}
@book{HoltmannMutzBuchheisteretal.2008,
  author    = {Holtmann, Dieter and Mutz, Michael and Buchheister, Claudia and G{\"o}rl, Tilo},
  title     = {Die Sozialstruktur der Bundesrepublik Deutschland im internationalen Vergleich},
  publisher = {Univ.-Verl. Potsdam},
  address   = {Potsdam},
  isbn      = {978-3-940793-56-0},
  pages     = {298 S.},
  year      = {2008},
  language  = {de}
}