Hybrid Radio Frequency Identification System for Use in Disaster Relief as Positioning Source and Emergency Message Boards. - Osamu Takizawa; Akihiro Shibayama; Masafumi Hosokawa; Ken'ichi Takanashi; Masahiro Murakami; Yoshiaki Hisada; Yasushi Hada; Kuniaki Kawabata; Itsuki Noda; Hajime Asama (Mobile Response, 2007)