@inproceedings{weko_196274_1,
   author	 = "寺田,崇倫 and 大木,哲史 and 西垣,正勝",
   title	 = "Proof of Human-work実現に向けたCAPTCHAの検討",
   booktitle	 = "第81回全国大会講演論文集",
   year 	 = "2019",
   volume	 = "2019",
   number	 = "1",
   pages	 = "489--490",
   month	 = "feb"
}