Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAMAJI Yoshinori and EZAKI Nobuo and ISHIDA Kunimitsu and SUZUKI Shuji,The Nautical Instrument Information Sharing by Utilizing a PDA,The Journal of Japan Institute of Navigation,03887405,Japan Institute of Navigation,2012,126,0,73-79,https://cir.nii.ac.jp/crid/1390001205482143360,https://doi.org/10.9749/jin.126.73