Shin'ichi Konomi Niwat Thepvilojanapong Ryohei Suzuki Susanna Pirttikangas Kaoru Sezaki Yoshito Tobe Askus: Amplifying Mobile Actions. 202-219 2009 Pervasive http://dx.doi.org/10.1007/978-3-642-01516-8_15 conf/pervasive/2009 db/conf/pervasive/pervasive2009.html#KonomiTSPST09