(1)
Antonov, D.; Ivanova , K.; Kunovska, B.; Djunakova, D.; Ilieva, I.; Andreeva, P.; Kolev, S.; Benderev, A. Spatial Sampling Design for the Geogenic Radon Potential Survey in Sliven Province, Bulgaria. C. R. Acad. Bulg. Sci. 2022, 75, 561-569.