Dimiter Velev. "AUGMENTED AND VIRTUAL REALITY APPLICATION IN DISASTER PREPAREDNESS TRAINING FOR SOCIETY RESILIENCE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies (2018): 195-202. https://doi.org/10.5593/sgem2018v/4.3/s06.024