TETAN, Romulus. “FOREWORD - ANNIVERSARY OF PROFESSOR AUREL POP”. Studia Universitatis Babeș-Bolyai Physica 63, no. 1-2 (December 30, 2018): 5–7. Accessed February 5, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbphysica/article/view/3121.