Wen Jin Chang-Zheng Chen Zhi-Hao Jin Bin Gong Bangchun Wen An Improved Recognition Approach of Acoustic Emission Sources Based on Matter Element. 1070-1077 2007 conf/icic/2007-1 ICIC (1) http://dx.doi.org/10.1007/978-3-540-74171-8_108 db/conf/icic/icic2007-1.html#JinCJGW07