@inbook{57419,
  author       = {{Oesterhaus, Janina and Biehler, Rolf}},
  booktitle    = {{Sustainability in statistics education. Proceedings of the Ninth International Conference on Teaching Statistics (ICOTS9, July, 2014), Flagstaff, Arizona, USA}},
  editor       = {{Makar, K. and d. Sousa, B. and Gould, R.}},
  publisher    = {{ISA}},
  title        = {{{Designing and implementing an alternative teaching concept within a continuous professional development course for German secondary school teachers}}},
  year         = {{2014}},
}