Noriyoshi Shimizu Naoya Koizumi Maki Sugimoto Hideaki Nii Dairoku Sekiguchi Masahiko Inami A teddy-bear-based robotic user interface. 2006 4 Computers in Entertainment 3 http://doi.acm.org/10.1145/1146816.1146830 db/journals/cie/cie4.html#ShimizuKSNSI06