Analysis of natural radionuclide concentrations in selected building materials available on the domestic marketAneta Łukaszek-Chmielewska, Martin Girard, Karol Wojtkowski, Krzysztof Isajenko and Barbara PiotrowskaSHS Web Conf., 57 (2018) 02003DOI: https://doi.org/10.1051/shsconf/20185702003