@inproceedings{DiGRA-2007-KatoKINSYTY,
	author        = "Ryo Kato and Takashi Kawai and Hanae Ikeshita and Kenji Nihei and Tadashi Sato and Hitoshi Yamagata and Hirofumi Tashiro and Takashi Yamazaki",
	booktitle     = "{Proceedings of the Fourth DiGRA International Conference: Situated Play}",
	ee            = "http://www.digra.org/digital-library/publications/ergonomic-evaluation-of-portable-videogame-software/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Ergonomic evaluation of portable videogame software}",
	year          = 2007,
}