Ayahiko Niimi Masaaki Wada Kei Ito Osamu Konishi Construction of School Temperature Measurement System with Sensor Network. 813-819 2006 conf/kes/2006-3 KES (3) http://dx.doi.org/10.1007/11893011_103 db/conf/kes/kes2006-3.html#NiimiWIK06