Thiem T. NEUTRON CALIBRATION FIELD OF (_^239)Pu-Be SOURCE: DOSIMETRIC QUANTITIES OF THE TOTAL COMPONENT. JMST [Internet]. 2021 Aug. 26 [cited 2026 Jan. 26];(74):106-12. Available from: https://jmst.mod.gov.vn/index.php/jmst/article/view/15