@book{SchubertSchwill2011,
  author    = {Schubert, Sigrid and Schwill, Andreas},
  title     = {Didaktik der Informatik},
  publisher = {Spektrum Akademischer Verlag},
  address   = {Heidelberg},
  isbn      = {978-3-8274-2652-9},
  pages     = {417 S.},
  year      = {2011},
  language  = {de}
}
@book{PlattnerZeier2011,
  author    = {Plattner, Hasso and Zeier, Alexander},
  title     = {In-memory data managment : an inflection point for enterprise applications},
  publisher = {Springer},
  address   = {Heidelberg, New York},
  isbn      = {978-3-642-19362-0},
  pages     = {236 S.},
  year      = {2011},
  language  = {en}
}
@book{LinckelsMeinel2011,
  author    = {Linckels, Serge and Meinel, Christoph},
  title     = {E-Librarian service : user-friendly semantic search in digital libraries},
  publisher = {Springer-Verlag Berlin Heidelberg},
  address   = {Berlin, Heidelberg},
  isbn      = {978-3-642-17742-2},
  doi       = {10.1007/978-3-642-17743-9},
  pages     = {212 S.},
  year      = {2011},
  language  = {en}
}