정희진; 김정운; Shim, David Hyunchul, American Institute of Aeronautics and Astronautics SciTech 2014, American Institute of Aeronautics and Astronautics, 2014-01-15
김정운; Jeong, Yeun Duk; 이다솔; Shim, David Hyunchul, International Conference on Unmanned Aircraft Systems 2014, IEEE Robotics and Automation Society, 2014-05-28