Aliev, B., Mukashev, K. and Tronin, B. (2018) “POSITRON ANNIHILATION IN DEFECTS NATURE OF HYDROGEN IN REFRACTORY METAL ALLOYS”, Recent Contributions to Physics, 2018(1), pp. 42–46. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1057 (Accessed: 9 February 2026).