Jaeheon Kim Youngjin Kim Wontae Kim 0001 XR Twin Based Intelligent UAV Software Development Environment. 1506-1508 2020 ICTC https://doi.org/10.1109/ICTC49870.2020.9289197 conf/ictc/2020 db/conf/ictc/ictc2020.html#KimKK20