jgg     2010 30 (1):  14-20    ISSN: 0412-1961  CN: 21-1139/TG ON 3D INVERSION FOR CRUSTAL DENSITY CHANGE BEFORE AND AFTER LIJIANG Ms7.0 EARTHQUAKE Xuan Songbai 1,2,3) ;Shen Chongyang 1,2) ; and Li Hui 1,2) 1)Institute of Seismology, CEA, Wuhan 4300712)Crustal Movement Laboratory, Wuhan 4300713)School of Geodesy and Geomatics，Wuhan University，Wuhan 430079 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null