Alexa, Petr, Petra Količová, and Radim Uhlář. “Gamma Radioactivity of the January 2013 Rainfall in Ostrava”. GeoScience Engineering 60, no. 2 (June 1, 2014). Accessed April 26, 2024. http://geoscience.cz/ojs/index.php/GSE/article/view/27.