Vikas Reddy Enti Rajesh Arumugam Krishnamoorthy Baskaran Bingbing Liu Foo Kong Foong Appadorai Senthil Kumar Dee Meng Kang Xiaojun Wu Wai Kit Goh Tea table, come closer to me. 325-326 2009 HRI http://doi.acm.org/10.1145/1514095.1514198 conf/hri/2009 db/conf/hri/hri2009.html#EntiABLFKKWG09