@article{weko_191451_1,
   author	 = "Tomoka,Azakami and Chihiro,Shibata and Ryuya,Uda",
   title	 = "Evaluation of Ergonomically Designed CAPTCHAs using Deep Learning Technology",
   journal	 = "情報処理学会論文誌",
   year 	 = "2018",
   volume	 = "59",
   number	 = "9",
   month	 = "sep"
}