Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
"HAKOYAMA, Tadashige and KIKUCHI Toru and SHIMURA Yuichi",Introduction of TOKYO-KEIKI Inc.,NAVIGATION,09199985,Japan Institute of Navigation,2021,215,0,28-34,https://cir.nii.ac.jp/crid/1390568772522832128,https://doi.org/10.18949/jinnavi.215.0_28