1. dr Dušan Popović (2016) "STUDY OF STRUCTURAL AND SPECTRAL CHARACTERISTICS OF LASER CRYSTAL Y3Al5O12, Al2O3 AND SrTiO3 DOPED BY 3d- OR 4f- IONS" - Contemporary Materials 2016 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/study-of-structural-and-spectr/4468)