Grafutin, V. (2018) “POSSIBILITIES OF STUDYING OF NANOOBJECTS IN POROUS SILICON AND WAFERS OF SILICON IRRADIATED BY PROTONS BY METHOD OF POSITRON ANNIHILATION SPECTROSCOPY”, Recent Contributions to Physics, 2009(3), pp. 47–54. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1078 (Accessed: 18 July 2026).