Toru Takahashi Miki Namatame Fusako Kusunoki Isao Ono Takao Terano A Laser Show Device Works in an Open Space for Hearing-Impaired Students. 385-389 2008 Asia International Conference on Modelling and Simulation http://doi.ieeecomputersociety.org/10.1109/AMS.2008.114 conf/asiams/2008 db/conf/asiams/ams2008.html#TakahashiNKOT08