Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hirata Akifumi and Yamada Hiroyoshi and Ohira Takashi,Indoor Position Detection with High Resolution DOA Estimation Identifying Direct Waves,"IEEJ Transactions on Electronics, Information and Systems",03854221,The Institute of Electrical Engineers of Japan,2019-08-01,139,8,900-909,https://cir.nii.ac.jp/crid/1390564238108541184,https://doi.org/10.1541/ieejeiss.139.900