DYNAMIC CHANGE OF GRAVITY FIELD CONTROLLED BY  UNDER 
ABSOLUTE GRAVITY CONTROL IN SHANXI SEISMIC ZONE FROM 
2009 TO 2012
Feng Jianlin,Sun Shaoan,Qing Jianzeng,Tan Yujuan,Huang Bangwu, Li Deqing
jgg . 2013, (增1): 49 -52 .