@incollection{SchneiderHelmke1986,
  author    = {Schneider, Wolfgang and Helmke, Andreas},
  title     = {Mehrebenenanalytische Ans{\"a}tze zur Erkl{\"a}rung von Schulleistungen},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-87348},
  publisher      = {Universit{\"a}t W{\"u}rzburg},
  year      = {1986},
  abstract  = {No abstract available.},
  subject      = {Schulleistung},
  language  = {de}
}