@article{Kim2019, author = "Hyun Myung Kim and Minseok Kim and Gil Ju Lee and Youngjin Yoo and Young Min Song", title = "{visulaization_3.jpg}", year = "2019", month = "2", url = "https://opticapublishing.figshare.com/articles/media/visulaization_3_jpg/7613798", doi = "10.6084/m9.figshare.7613798.v1" }