Dolchinkov N, Boyanova Y, Nichev N. URANIUM MINES IN BULGARIA - ANALYSIS OF THE STATE 30 YEARS AFTER THEIR CLOSURE. ETR [Internet]. 2024 Jun. 22 [cited 2024 Nov. 21];1:123-9. Available from: https://journals23.rta.lv/index.php/ETR/article/view/8002