@book{Memo849791,
  author = {..., Klaus Backhaus},
  booktitle = { Multivariate Analysemethoden },
  coverage = {VIII, 575 S.},
  edition = { 12., vollst. überarb. Aufl. },
  editor = {Backhaus, Klaus},
  interhash = {13a57c36ac5b340d21b4f9b4bba4ad50},
  intrahash = {d570bf164f1ab9f96e4afeac5875a07a},
  isbn = {978-3-540-85044-1},
  publisher = { Springer },
  publisherplace = {Berlin [u.a.]},
  title = { Multivariate Analysemethoden, eine anwendungsorientierte Einführung },
  year = { 2008 }
}

@book{christoph1972evaluation,
  address = {München},
  editor = {Wulf, Christoph},
  interhash = {09666013a76f7d49ec4aaa269cb575a2},
  intrahash = {e461395578ed8646b8ec5a8f8992f37a},
  isbn = {3492019854 9783492019859},
  pages = {--},
  publisher = {R. Piper},
  refid = {38682361},
  title = {Evaluation : Beschreibung und Bewertung von Unterricht, Curricula und Schulversuchen},
  url = {http://www.worldcat.org/search?qt=worldcat_org_all&q=3492019854},
  year = 1972
}