Measurement of gamma field inside the biological concrete shielding of VVER-1000 Mock-Up at the LR-0 reactor - Tomáš Czakoj; Michal Košťál; Evžen Novák; Jan Šimon; Martin Schulc; Zdeněk Matěj; Filip Mravec; František Cvachovec; Tomáš Urban; Evžen Losa (Annals of Nuclear Energy, 2025)