jgg     2009 29 (3):  77-79    ISSN: 0412-1961  CN: 21-1139/TG COMPARATIVE OBSERVATION OF ABSOLUTE GRAVIMETERS IN WALFERDANGE Xing Lelin 1,2,3) ; Shen Chongyang 1,2) ; Li Hui 1,2) ; and O.Francis 4) 1)Institute of Seismology, CEA, Wuhan 4300712)Crustal Movement Laboratory, Wuhan 4300713)School of Geodesy and Geomatics of Wuhan Universtiy, Wuhan 4300794European Center for Geodynamics and Seismology of Luxembourg University, Luxembourg L-1351 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null