Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAJI Kazutsuna and KATAOKA Toshiyuki and MIYACHI Naoto and SONEHARA Noboru,Application of the Long Term Signature to Office Open XML files,Joho Chishiki Gakkaishi,09171436,Japan Society of Information and Knowledge,2010,20,1,1-14,https://cir.nii.ac.jp/crid/1390282679400127232,https://doi.org/10.2964/jsik.19-300