Niedderer, H. et al. (1992): Towards an explicit description of cognitive systems for research in physics learning

Niedderer, H. & Schecker, H. (1992). Towards an explicit description of cognitive systems for research in physics learning. In R. Duit, F. Goldberg & H. Niedderer: . Research in Physics Learning: Theoretical Issues and Empirical Studies. Proceedings of an International Workshop held at the University of Bremen. March 4-8, 1991 (S. 74–98). Kiel: IPN.@inbook{nieddererschecker1992a, title={Towards an explicit description of cognitive systems for research in physics learning}, author={Hans Niedderer and Horst Schecker}, year={1992}, editor={Reinders Duit and Fred Goldberg and Hans Niedderer}, booktitle={. Research in Physics Learning: Theoretical Issues and Empirical Studies. Proceedings of an International Workshop held at the University of Bremen. March 4-8, 1991}, location={Kiel}, publisher={IPN}, pages={74--98}, url={/pubs/Niedderer/1992-HB-HN-HS.pdf} } 