Toru Takahashi Miki Namatame Fusako Kusunoki Takao Terano Big Fat Wand: A Pointing Device for Open Space Edutainment. 240-245 2009 INTETAIN http://dx.doi.org/10.1007/978-3-642-02315-6_26 conf/intetain/2009 db/conf/intetain/intetain2009.html#TakahashiNKT09