Walk
http://www.aist.go.jp/aist_j/press_release/pr2009/pr20090316/pr20090316.html
http://wiredvision.jp/news/200803/2008031819.html
http://www.hiroburo.com/archives/50499684.html
http://www.aist.go.jp/aist_j/press_release/pr2009/pr20090316/pr20090316.html
http://wiredvision.jp/news/200803/2008031819.html
http://www.hiroburo.com/archives/50499684.html