Chi-Hung Tsai Mei-Yi Lai Che-Wei Liu Shiang-Yin Huang Che-Yu Lin Jeng-Sheng Yeh Gas and Shadow Swing. 80-87 2009 ArtsIT http://dx.doi.org/10.1007/978-3-642-11577-6_11 conf/artsit/2009 db/conf/artsit/artsit2009.html#TsaiLLHLY09