@book{DuismannMeierMeschenmoseretal.1999,
  author    = {Duismann, Gerhard and Meier, Bernd and Meschenmoser, Helmut and Oberliesen, Rolf},
  title     = {Unterricht : Arbeit + Technik},
  publisher = {Friedrich},
  address   = {Seelze},
  issn      = {1438-8987},
  year      = {1999},
  language  = {de}
}