Yasuhiro Minami Minako Sawaki Kohji Dohsaka Ryuichiro Higashinaka Kentaro Ishizuka Hideki Isozaki Tatsushi Matsubayashi Masato Miyoshi Atsushi Nakamura Takanobu Oba Hiroshi Sawada Takeshi Yamada Eisaku Maeda The world of mushrooms: human-computer interaction prototype systems for ambient intelligence. 366-373 2007 ICMI http://doi.acm.org/10.1145/1322192.1322257 conf/icmi/2007 db/conf/icmi/icmi2007.html#MinamiSDHIIMMNOSYM07