@book{9783865961181,
  title = {Constructing Scientific Understanding through Contextual Teaching},
  editor = {Peter Heering,Daniel Osewold},
  publisher = {Frank \& Timme},
  year = {2007},
  edition = {1},
  url = {https://www.frank-timme.de/en/programme/product/constructing\_scientific\_understanding\_through\_contextual\_teaching}
}