Takuichi Nishimura Hideo Itoh Yoshiyuki Nakamura Yoshinobu Yamamoto Hideyuki Nakashima A Compact Battery-Less Information Terminal for Real World Interaction. 124-139 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3001&spage=124 2004 conf/pervasive/2004 Pervasive db/conf/pervasive/pervasive2004.html#NishimuraINYN04