S Petersen, P Wulff: The German Physics Olympiad—identifying and inspiring talents. In: European Journal of Physics. 38. Jahrgang, Nr.3, 2017, ISSN0143-0807, S.034005, doi:10.1088/1361-6404/aa538f.
S Petersen, P Wulff: The German Physics Olympiad—identifying and inspiring talents. In: European Journal of Physics. 38. Jahrgang, Nr.3, 2017, ISSN0143-0807, S.034005, doi:10.1088/1361-6404/aa538f.