@inproceedingsGramzow_Riese_Reinhold_2014, place=Nicosia, Cyprus, title= Prospective physics teachers’ pedagogical content knowledge. Validating a test instrument by using a think aloud study, booktitle=E-Book Proceedings of the ESERA 2013 Conference: Science Education Research For Evidence-based Teaching and Coherence in Learning. Part 13, author=Gramzow, Yvonne and Riese, Josef and Reinhold, Peter, editor=Constantinou, Costas P. and Papadouris, Nikos and Hadjigeorgiou, Angela and European Science Education Research Association, year=2014, pages=20–27