著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Sumaru Niida and Satoshi Uemura and Hajime Nakamura and Etsuko Harada,Field study of a waiting-time filler delivery system,Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services,,ACM,2011-08-30,,,177-180,https://cir.nii.ac.jp/crid/1361137044549554176,https://doi.org/10.1145/2037373.2037401