TETEAN, R. Foreword: Anniversary of Professor Viorel POP. Studia Universitatis Babeș-Bolyai Physica, [S. l.], v. 66, n. 1-2, p. 5–7, 2021. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbphysica/article/view/449. Acesso em: 5 feb. 2025.