Mihkel Heidelberg, Máté Vigh, Jaan Kalda: First European Physics Olympiad—short and challenging problems. In: European Journal of Physics. 39. Jahrgang, Nr.6, 2018, ISSN0143-0807, S.064002, doi:10.1088/1361-6404/aab59f.
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Jaan Kalda: First European Physics Olympiad. In: Europhysics news. 48. Jahrgang, Nr.4, 2017, ISSN1432-1092, S.4–5 (eps.org).
Mihkel Heidelberg, Máté Vigh, Jaan Kalda: First European Physics Olympiad—short and challenging problems. In: European Journal of Physics. 39. Jahrgang, Nr.6, 2018, ISSN0143-0807, S.064002, doi:10.1088/1361-6404/aab59f.
Jaan Kalda: First European Physics Olympiad. In: Europhysics news. 48. Jahrgang, Nr.4, 2017, ISSN1432-1092, S.4–5 (eps.org).