@book{PreiserBrusdeylins2011,
  author    = {Preiser, Siegfried and Brusdeylins, Kerstin},
  title     = {Psychologiedidaktik und Evaluation VIII},
  editor    = {Kr{\"a}mer, Michael},
  edition   = {1. Aufl},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8440-0006-1},
  pages     = {399 S},
  year      = {2011},
  language  = {de}
}
@book{PreiserBrusdeylins2007,
  author    = {Preiser, Siegfried and Brusdeylins, Kerstin},
  title     = {Psychologiedidaktik und Evaluation VI},
  editor    = {Kr{\"a}mer, Michael},
  edition   = {1. Aufl.},
  publisher = {V \& R unipress},
  address   = {G{\"o}ttingen},
  isbn      = {3-89971-369-9},
  pages     = {385 S.},
  year      = {2007},
  language  = {de}
}
@book{PreiserBrusdeylins2009,
  author    = {Preiser, Siegfried and Brusdeylins, Kerstin},
  title     = {Psychologiedidaktik und Evaluation VII},
  editor    = {Kr{\"a}mer, Michael},
  edition   = {1. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-7916-5},
  pages     = {413 S.},
  year      = {2009},
  language  = {de}
}
@book{KraemerPreiserBrusdeylins2016,
  author    = {Kr{\"a}mer, Michael and Preiser, Siegfried and Brusdeylins, Kerstin},
  title     = {Psychologiedidaktik und Evaluation XI},
  edition   = {1. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8440-4856-8},
  pages     = {358 S.},
  year      = {2016},
  language  = {de}
}