Petri, J. et al. (2003): Atomic Physics in Upper Secondary School: Layers of Conceptions in Induvidual Cognitive Structure

Petri, J. & Niedderer, H. (2003). Atomic Physics in Upper Secondary School: Layers of Conceptions in Induvidual Cognitive Structure. In D. Psillos et al.: Science Education Research in the Knowledge-Based Society (S. 137–144). Dordrecht, The Netherlands: Kluwer Academic Publishers.@inbook{nieddererpetri2003, title={Atomic Physics in Upper Secondary School: Layers of Conceptions in Induvidual Cognitive Structure}, author={Jürgen Petri and Hans Niedderer}, year={2003}, editor={Psillos, D. et al.}, booktitle={Science Education Research in the Knowledge-Based Society}, location={Dordrecht, The Netherlands}, publisher={Kluwer Academic Publishers}, pages={137--144} }