[1]
Dolchinkov, N. and Nichev, N. 2024. GAMMA-BACKGROUND RADIATION CONTROL SYSTEMS AS A FACTOR OF BULGARIA’S NATIONAL SECURITY. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 4, (Jun. 2024), 83–88. DOI:https://doi.org/10.17770/etr2024vol4.8225.