@incollection{Mayer2010,
  author    = {Horst O. Mayer},
  title     = {Summative Evaluation von eLearning},
  series = {Evaluation von eLernprozessen. Theorie und Praxis},
  editor    = {Horst O. Mayer and Willy Christian Kriz},
  publisher = {Oldenbourg},
  address   = {M{\"u}nchen},
  pages     = {25 -- 37},
  year      = {2010},
  language  = {de}
}