RELIABILITY ANALYSIS OF FOCAL MECHANISM SOLUTIONS OF MICRO-EARTHQUAKES DETERMINED FROM AMPLITUDE RATIO OF -P AND -S RECORDED BY DIGITAL SEISMOGRAPH
HU Xin-liang, DIAO Gui-ling, MA Jin, LI Xue-ying, GAO Jing-chun, WANG Qin-cai
SEISMOLOGY AND GEOLOGY . 2004, (2): 347 -354 .