NICULAESCU C, BREZESTEAN I, LUNG C, TODICA M. FLUORESCENCE INVESTIGATION OF SOME POLYSTYRENE SAMPLES THERMALLY DEGRADED. Studia UBB Physica [Internet]. 2018 Dec. 30 [cited 2024 Nov. 19];63(1-2):19-26. Available from: http://193.231.18.162/index.php/subbphysica/article/view/3125