Triantou, K., K. Mergia, and I. E. Stamatelatos. “Positron Annihilation Lifetime Spectroscopy in the Study of Defects in Materials”. HNPS Advances in Nuclear Physics 24 (April 1, 2019): 235–238. Accessed December 5, 2025. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/1872.