Pipeline Damage and Leak Detection Based on Sound Spectrum LPCC and HMM. - Changsheng Ai; Honghua Zhao; Rujian Ma; Xueren Dong (ISDA (1), 2006)

Study on the Wireless Heat Meters. - Rujian Ma; Xueyan Yang; Xiao Wang; Enping Zhang (Wirel. Sens. Netw., 2010)