Yugo Kobayashi Tatsuya Terada Toshiyuki Kondo Masaki Nakagawa Evaluation of a Functional Film Attached on Top of a Tablet PC. 257-263 2009 HCI (15) http://dx.doi.org/10.1007/978-3-642-02731-4_30 conf/hci/2009-15 db/conf/hci/hci2009-15.html#KobayashiTKN09