@article{theyen2013,
  title={Modelling and Assessing Experimental Competencies in Physics},
  author={Heike Theyßen and Horst Schecker and Christoph Gut and Martin Hopf and Jochen Kühn and Peter Labudde and Andréas Müller and Nico Schreiber and Patrik Vogt},
  year={2013},
  journal={Contributions from science education research},
  doi={10.1007/978-94-007-7281-6_20},
  url={https://doi.org/10.1007/978-94-007-7281-6_20}
}