DAVID, Daniel. “In Memoriam Professor Petre T. Frangopol, Ph.D., Honor Member of the Romanian Academy (1933-2020)”. Studia Universitatis Babeș-Bolyai Chemia 66, no. 3 (September 30, 2021): 7–8. Accessed December 19, 2024. https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/7834.