Krajny, Ewa, Leszek Osrodka, and Marek Wojtylak. 2014. “Meteorological Conditions for the Variability of 7Be and 210Pb Concentrations in Surface Layer Air in Poland ”. Journal of Environmental Science and Engineering Technology 2 (1):14-25. https://doi.org/10.12974/2311-8741.2014.02.01.3.