RUPTURE CHARACTERISTICS OF THE ZHANGBEI EARTHQUAKE SEQUENCE ANALYZED BY EXACT FOCAL LOCATION
GAO Jing-chun, DIAO Gui-ling, ZHANG Si-chang, CAI Hua-chang, ZHANG Hong-zhi, LAI Xiao-ling, LI Qin-zu, WANG Qin-cai, LI Song-lin, ZHANG Yan-qing, ZHU Zhen-xing
SEISMOLOGY AND GEOLOGY . 2002, (1): 81 -90 .