@book{Doehlemann2006,
  author    = {Doehlemann, Martin},
  title     = {Die Dreißigj{\"a}hrigen},
  edition   = {1. Aufl.},
  publisher = {Waxmann},
  address   = {M{\"u}nster [u.a.]},
  isbn      = {3-8309-1653-1},
  pages     = {177 S. : Ill.},
  year      = {2006},
  language  = {de}
}
@book{BockRosenthalDoehlemannBiermannetal.2006,
  author    = {Bock-Rosenthal, Erika and Doehlemann, Martin and Biermann, Benno and Grohall, Karl-Heinz and K{\"u}hn, Dietrich},
  title     = {Soziologie - Studienbuch f{\"u}r soziale Berufe},
  volume    = {8295},
  edition   = {5., {\"u}berarb. Aufl.},
  publisher = {Reinhardt},
  address   = {M{\"u}nchen},
  isbn      = {3-497-01855-4},
  pages     = {448 S. : graph. Darst.},
  year      = {2006},
  language  = {de}
}