Lazarova, Radoslava, Milena Hristozova, and Mariana Hristova. “Gamma-Spectrometric Characterisation of Reclaimed Soils from Three Mining-Affected Areas in Bulgaria”. Proceedings of the Bulgarian Academy of Sciences 79, no. 6 (June 26, 2026): 846–854. Accessed July 22, 2026. https://www.proceedings.bas.bg/index.php/cr/article/view/1006.